# The description of nature is essentially probabilistic, with the probability of an event related to the square of the amplitude of the wave function.

# The quantum mechanical description of large systems will closely approximate the classical description.

# to give a description of the original grammatical structure of the languages as deduced from their intercomparison

A hydrogen radio frequency discharge, the first element inside a # Hydrogen maser | hydrogen maser ( see description below )

# REDIRECT definite description # Russell's analysis

# A field of science ( and major component of systematics ) that encompasses description, identification, nomenclature, and classification ;

# Seaport district — characterized by century-old low-rise buildings and South Street Seaport ; the seaport is " quiet, residential, and has an old world charm " according to one description.

# A description of a heuristic that performs adaptation by identifying and recombining " building blocks ", i. e. low order, low defining-length schemata with above average fitness.

# Interpretation: This is the stage where the supported PDLs ( Page description languages ) are translated into a private internal representation of each page.

# The abstract, mathematical nature of that description.

# A description of the phonology of the language in question.

# A description of the morphology of words belonging to that language.

# A description of the syntax of well-formed sentences of that language.

# A description of lexical derivations.

* Fuzzy Systems Journal http :// www. elsevier. com / wps / find / journaldescription. cws_home / 505545 / description # description

# REDIRECT Page description language

A common classification is numbering from 1 to 3 ( larger to smaller ) with a description of the use for example: # 1 Heavy or # 1 Medium / Light.

# Planning and scheduling: A plan is a description of the logically necessary, partially ordered set of activities required to accomplish a specific goal given certain starting conditions.

# input description: the information, material and energy required to complete the step

# output description: the information, material and energy produced by the step and provided as input to downstream steps.

# If morality is objective and absolute, God must exist.

# Therefore, God must exist.

# The hijacking or control takeover of an aircraft must be a result of unlawful use of violence or an attempt to use violence ;

# The unlawful act must be committed on board of an aircraft ( that is, by a person being on board of an aircraft, e. g. a passenger or crew member.

# It is not possible to know the value of all the properties of the system at the same time ; those properties that are not known exactly must be described by probabilities.

# Therefore, a First Cause ( or something that is not an effect ) must exist.

# Commonality — there must be one or more legal or factual claims common to the entire class ( in some cases, it must be shown that the common issues will predominate the proceedings over individual issues, such as the amount of damages due to a particular class member ),

# Adequacy — the representative parties must adequately protect the interests of the class,

# Numerosity — the class must be so large as to make individual suits impractical ( in other words, that the class action is a superior vehicle for resolution than numerous individual suits ), and

# Typicality — the claims or defenses must be typical of the plaintiffs or defendants.

# A definition must set out the essential attributes of the thing defined.

# The definition must not be too wide or too narrow.

# The definition must not be obscure.

# The time value of money ( risk-free rate ) – according to the theory of time preference, investors would rather have cash immediately than having to wait and must therefore be compensated by paying for the delay.

# It is not good enough to have ideas, you must also be able to implement them and know they work.

# there must be a public emergency threatening the life of the nation ;

# any measures taken in response must be " strictly required by the exigencies of the situation ", and

# the measures taken in response to it, must be in compliance with a state's other obligations under international law

# Half-reactions must be multiplied by integers to achieve electron balance.

# An unavoidable set contains regions such that every map must have at least one region from this collection.

# The giver must declare to Allah his intention to give the Zakat.

# The Zakat must be paid on the day that it is due.

# After the Offering, the payer must not exaggerate on spending his money more than usual means.

# Payment must be in kind.