Currently, Amaranthus includes three recognized subgenera and 70 species, although species numbers are questionable due to hybridization and species concepts.

Chinese astrology has a close relation with Chinese philosophy ( theory of the three harmonies: heaven, earth and man ) and uses concepts such as yin and yang, the Five phases, the 10 Celestial stems, the 12 Earthly Branches, and shichen ( 時辰 a form of timekeeping used for religious purposes ).

< http :// www. language-brain. com / docs / Friedmann_Gvion_Novogrodsky_movementSLI_agrammatism. pdf >.</ ref > These three concepts all share phrasal movement, which can cause words to lose their thematic roles when they change order in the sentence.

In its classic definition, by François-Louis Ganshof ( 1944 ), feudalism describes a set of reciprocal legal and military obligations among the warrior nobility, revolving around the three key concepts of lords, vassals, and fiefs.

The classic François-Louis Ganshof version of feudalism describes a set of reciprocal legal and military obligations among the warrior nobility, revolving around the three key concepts of lords, vassals and fiefs.

Swiss linguist Ferdinand de Saussure contrasts three concepts:

Other principles such as Accountability have sometimes been proposed for addition – it has been pointed out that issues such as Non-Repudiation do not fit well within the three core concepts, and as regulation of computer systems has increased ( particularly amongst the Western nations ) Legality is becoming a key consideration for practical security installations.

Macroeconomics encompasses a variety of concepts and variables, but three are central topics for macroeconomic research.

However, the three are distinct concepts.

In brief, de Saussure's structural linguistics propounded three related concepts.

Today, concepts of social class often assume three general categories: a very wealthy and powerful upper class that owns and controls the means of production ; a middle class of professional workers, small business owners, and low-level managers ; and a lower class, who rely on low-paying wage jobs for their livelihood and often experience poverty.

After three decades as a division of Xerox, PARC was transformed in 2002 into an independent, wholly owned subsidiary company dedicated to developing and maturing advances in science and business concepts with the support of commercial partners and clients.

With that, Durkheim argues, we are left with the following three concepts: the sacred ( the ideas that cannot be properly explained, inspire awe and are considered worthy of spiritual respect or devotion ), the beliefs and practices ( which create highly emotional state — collective effervescence — and invest symbols with sacred importance ), and the moral community ( a group of people sharing a common moral philosophy ).

Out of those three concepts, Durkheim focused on the sacred, noting that it is at the very core of a religion.

From its inception, Livermore focused on innovative weapon design concepts ; as a result, its first three nuclear tests were unsuccessful.

They assert that DID cannot be accurately diagnosed because of vague and unclear diagnostic criteria in the DSM and undefined concepts such as " personality state " and " identities ", and question the evidence for childhood abuse beyond self-reports, the lack of definition of what would indicate a threshold of abuse sufficient to induce DID and the extremely small number of cases of children diagnosed with DID despite an average age of appearance of the first alter of three years.

These included Tango Suite for the virtuoso guitar duo Sergio and Odair Assad ; Histoire du Tango, where a flutist and guitarist tell the history of tango in four chunks of music styled at thirty-year intervals ; and La Camorra, a suite in three ten minute movements, inspired by the Neapolitan crime family and exploring symphonic concepts of large-scale form, thematic development, contrasts of texture and massive accumulations of ensemble sound.

There are thus three concepts of capital maintenance in terms of International Financial Reporting Standards ( IFRS ): ( 1 ) Physical capital maintenance ( 2 ) Financial capital maintenance in nominal monetary units ( 3 ) Financial capital maintenance in units of constant purchasing power.

For air traffic management, researchers are creating and testing concepts to allow for up to three times today's level of aircraft in the national airspace.

Closely related concepts include that of ganqing, a measure which reflects the depth of feeling within an interpersonal relationship, renqing ( rénqíng ), the moral obligation to maintain the relationship, and the idea of " face " (, miànzi ), meaning social status, propriety, prestige, or more realistically a combination of all three.

John A. Bingham, the member of Congress who is known to have been chiefly responsible for the language of Section One when it was drafted by the Joint Committee in 1866, had, during the previous decade and as early as 1856-1859, employed not one but all three of the same clauses and concepts he later used in Section One.

For noncommutative rings, it is necessary to distinguish between three very similar concepts:

For commutative rings, all three concepts coincide, but in general they are different.

The concepts themselves arose at a late stage in the development of Freud's thought: the " structural model " ( which succeeded his " economic model " and " topographical model ") was first discussed in his 1920 essay " Beyond the Pleasure Principle " and was formalised and elaborated upon three years later in his " The Ego and the Id ".

At any rate, three men out of a six-man B-52 crew are required to copy down Wisman's go-to-war message.

Those three other great activities of the Persians, the bath, the teahouse, and the zur khaneh ( the latter a kind of club in which a leader and a group of men in an octagonal pit move through a rite of calisthenics, dance, chanted poetry, and music ), do not take place in buildings to which entrance tickets are sold, but some of them occupy splendid examples of Persian domestic architecture: long, domed, chalk-white rooms with daises of turquoise tile, their end walls cut through to the orchards and the sky by open arches.

He is a widower, his three children are dead, he has no one left on earth ; ;

Punishment of the wrongdoer, so liberals are inclined to say, can have only three possible justifications: revenge, reformation or deterrent example.

After three months of research, I can state unequivocally that Los Angeles drivers are considerably more courteous and competent than any other drivers I've ever encountered.

The man is right, and at this time, indications are that these three are ready for better seasons.

Some of the stumps are as much as three feet long, but most of them have been flattened by the pressure of the overlying sediments.

and ( C ) to finance, for not more than three years beyond the end of said period, such activities as are required to correlate, coordinate, and round out the results of studies and research undertaken pursuant to this Act: Provided, That funds available in any one year for research and development may, subject to the approval of the Secretary of State to assure that such activities are consistent with the foreign policy objectives of the United States, be expended in cooperation with public or private agencies in foreign countries in the development of processes useful to the program in the United States: And provided further, That every such contract or agreement made with any public or private agency in a foreign country shall contain provisions effective to insure that the results or information developed in connection therewith shall be available without cost to the United States for the use of the United States throughout the world and for the use of the general public within the United States.

At times, three ships a day from the Soviet bloc are unloading in Cuban ports.

Factory stocks in recent months have been the highest they have been in three years, while those at retail are below 1959.

The roof timbers are precut and the panels standard so that the house can be completely enclosed in a matter of three or four days.

Three different wavelengths of ultraviolet radiation are selected by the variable filters placed in front of the three mercury xenon lights which serve as the ultraviolet sources.

The video signal is amplified and then switched, in synchronism with the three ultraviolet light sources which are sequenced by the rotating mirror so that during one-twentieth of a second only one wavelength, corresponding to red, green, or blue, is seen.

There are three principal feed bunk types for dairy and beef cattle: ( 1 ) Fence-line bunks -- cattle eat from one side while feed is put in from the opposite side of the fence by self-unloading wagons ; ;

The three Indian brass deities, though -- Ganessa, Siva, and Krishna -- are an altogether different cup of tea.

The Af layers are stacked normal to the ( 111 ) axis with the lower oxygens of one layer directly above the upper oxygens of the neighboring lower layer, in such a manner that the repeat is every three layers.

If the Af bond is linear then there are three reasonable positions for the hydrogen atoms: ( 1 ) The hydrogen atoms are centered and hence all lie on a sheet midway between the oxygen sheets ; ;

Results from this approach amply confirm the direct observations: about three years are required, there being a possible slight difference between males and females in the time required.

He concluded that in the southern species, which are rapidly growing types, females mate at the age of two and a half and bear the first young when they are three.

There are three levels on which to treat the subject.

When three dice are tossed repeatedly, what is the probability that the number of aces is 0 ( or 1, or 2, or 3 )??