The Three Treasures or Three Jewels () are basic virtues in Taoism comprising Compassion, Moderation, and Humility.

Three basic paradigms for dealing with random sequences have now emerged:

Without the basic theory of the Three Laws the fictional scientists of Asimov's universe would be unable to design a workable brain unit.

This concept is largely fuzzy and unclear in earlier stories depicting very rudimentary robots who are only programmed to comprehend basic physical tasks, where the Three Laws act as an overarching safeguard, but by the era of The Caves of Steel featuring robots with human or beyond-human intelligence the Three Laws have become the underlying basic ethical worldview that determines the actions of all robots.

Three common general divisions of paramedic training are the basic technician, general paramedic or advanced technician, and advanced paramedic.

Three basic features:

Three letters are used to indicate the basic clicks: c for dental clicks, x for lateral clicks, and q for post-alveolar clicks ( for a more detailed explanation, see the table of consonant phonemes, below ).

Three basic categories of cells make up the mammalian body: germ cells, somatic cells, and stem cells.

His own works, which circulated in manuscript in his lifetime, include brief works on the Procession of the Holy Ghost, and letters to his brothers, to L. Bruni, Guauni, Traversari, and to Pallas Strozzi, as well as two which were eventually printed, his Erotemata Civas Questiones which was the first basic Greek grammar in use in Western Europe, first published in 1484 and widely reprinted, and which enjoyed considerable success not only among his pupils in Florence, but also among later leading humanists, being immediately studied by Thomas Linacre at Oxford and by Desiderius Erasmus at Cambridge ; and Epistolæ tres de comparatione veteris et novæ Romæ ( Three Letters Comparing Ancient and Modern Rome ).

Three basic reference planes are used in zoological anatomy.

Three basic forms of riding a bodyboard include prone, dropknee, and stand-up.

Three basic properties of equilibrium in general have been proposed by Huw Dixon, These are:

Three basic pricing strategies are: market skimming pricing, market penetration pricing and neutral pricing.

Three springs, one in the western side of the large courtyard, where could be accessed by a secret entrance, and two at the end of north side of the wall, to which the access could be done by two tunnels which were opened in the wall, similar to those that used as shelters, are witness for the care which was taken here, as in other Mycenaean acropolises, to the basic problem of water-at a siege time.

Three basic disciplines generally contribute to the field of environmental health: environmental epidemiology, toxicology, and exposure science.

Three notches on the face of the hammer engage the sear portion of the trigger, affording four basic hammer positions.

They then recite certain basic Buddhist prayers or chants ( typically including taking the Three Refuges and the Five Precepts ), and light incense and candles before the image.

Three basic types of ion guns are employed.

Three basic principles of operation of JSD is that:

Three different levels of tours are available, ranging from a basic guided tour to guided spelunking, with over 1. 2 miles of passage being open to the public.

At the same time, the university sends teachers and students to study in the U. S. A., Russia, Japan, Australia, Singapore in order to promote the university's internationalisation and to form an international education pattern of cooperating closely and developing together with good quality overseas education resources. In the 21st century, the university keeps the important thoughts of the " Three Representatives " as its guide ; adheres to scientific development ; handles carefully the relations between quality and quantity, profit and brand, development and stability ; sticks to the idea of developing the university's undertakings by managing the school effectively and guaranteeing education quality ; persists in the thinking of strengthening the University by building our important branches of learninginto famous ones ; makes full use of the comprehensive advantage of engineering, administration, economics, law, liberal arts, science and fine arts ; keeps the market needs as its orientation ; does its utmost to cultivate comprehensive personnel who can combine applied science with humanities, knowledge study with technology application, sound basic knowledge with profound specialty.

* Magic: Three types of magic are detailed: Power Words, with a quick, small effect ; Sorcery, with pre-prepared spells as in many other game systems ; and Conjuration, the creation of small objects.

Three different types of punch cards were used: one for arithmetical operations, one for numerical constants, and one for load and store operations, transferring numbers from the store to the arithmetical unit or back.

Three gate types are common:

Three types of cavalry became common: light cavalry, whose riders, armed with javelins, could harass and skirmish ; heavy cavalry, whose troopers, using lances, had the ability to close with their opponents ; and finally those whose equipment allowed them to fight either on horseback or foot.

Three types of cytochrome are distinguished by their prosthetic groups:

Three types of people are involved with a general-purpose DBMS:

Three types of protective covers are common for kit drums:

Three types of fasting ( Sawm ) are recognized by the Qur ' an: Ritual fasting, fasting as compensation for repentance ( both from sura Al-Baqara ), and ascetic fasting ( from Al-Ahzab ).

Three DNA types are of particular interest: mitochondrial DNA that we all possess and that is passed down with only minor mutations through the matrilineal ( direct female ) line ; the Y-chromosome, present only in males, which is passed down with only minor mutations through the patrilineal ( direct male ) line ; and the Autosomal DNA, which is found in the 22 non-gender specific chromosomes ( autosomes ) inherited from both parents, which can uncover relatives from any branch of the family.

Three types have been documented in the Antarctic.

Three types of myasthenic symptoms in children can be distinguished:

Three types of academy exists: high school-level institutions awarding academic qualifications, university-level institutions awarding bachelor's degree level qualification, and those preparing officer cadets for commissioning into the armed services of the state.

Three types of geological plate tectonic boundaries.

Three types of jurisdiction developed, collectively termed territorial jurisdiction because of their reliance upon territorial control: in personam jurisdiction, in rem jurisdiction, and quasi in rem jurisdiction.

Three types of bacteria are used in the production of Emmental cheese: Streptococcus salivarius subspecies thermophilus, Lactobacillus ( Lactobacillus helveticus or Lactobacillus delbrueckii subspecies bulgaricus ), and Propionibacterium ( Propionibacterium freudenreichii subspecies shermani ).

Three types of blends are defined for Scotch whisky:

Three synthetic types of vitamin K are known: vitamins K < sub > 3 </ sub >, K < sub > 4 </ sub >, and K < sub > 5 </ sub >.

Three types of cell division

Three main types of plant resistance to pests are recognized as nonpreference, antibiosis, and tolerance.

Three types of ERW were built by the United States.

Three types of integrity constraints are an inherent part of the relational data model: entity integrity, referential integrity and domain integrity.

Three types of flagella have so far been distinguished ; bacterial, archaeal and eukaryotic.

Three types of horizon

Three types of wireless devices exist along with hard-wired devices.

Three types of autoantibodies to the TSH-R are currently recognized: