| 释义 |
dis·tri·bu·tion
I. \ˌdistrəˈbyüshən\ noun
(-s)
Etymology: Middle English distribucioun, from Latin distribution-, distributio, from distributus + -ion-, -io -ion
1.
a. : the act or process of distributing or the condition of being distributed : apportionment, allotment
< the distribution of money among creditors >
< the distribution of the cards to the players >
< a twice yearly distribution of the profits among the stockholders >
b. : the process of apportionment by which the value of a product is divided and imputed to the various factors of production as payment for their use
c. : the apportionment in a student's program (as required in some American universities) of a certain number of courses to widely different departments or fields of learning for breadth of training — compare concentration 1d
d. : the apportionment by a court of the personal property of an intestate or its proceeds among those entitled to it according to the statutes of distribution
2.
a. : a spreading out or scattering over an area or throughout a space
< the distribution of the seed over the field >
< the distribution of the oil throughout the engine parts >
b. : the position, placement, or arrangement (as of a mass or the members of a group) over an area or throughout a space or unit of time : the frequency of occurrence : arrangement
< the distribution of iron ore in So. America >
< distribution of eclipses over a thousand years >
< the distribution of the stars >
< the distribution of population >
< the distribution of the nation's wealth >
c. : the natural geographic range of a kind of organism (as a species) or category of organisms (as an order); sometimes : the range of such a kind or category in geologic time
d. : the occurrence of a linguistic item in terms of context or geography
< the distribution of the allophones of \t\ in English >
e. : the disposition or arrangement in rational groups or classes : classification
< the accurate distribution of several rare zoological specimens >
f. : delivery or conveyance (as of newspapers or goods) to the members of a group
< the distribution of telephone directories to customers >
< in charge of company sales and distribution >
3.
a. : something distributed
< supported his family only with the help of charitable distributions >
b. : an array in statistics of the instances of a variable arranged by classes according to their value
< the distribution showed the heights of all the men in the regiment given at one-inch intervals >
c. : probability density function
4. : the status of a term in logic with respect to its being distributed or undistributed
5. : a device, mechanism, or system by which something is distributed (as from a main source): as
a. : the operations regulating the passage of the working fluid (as steam) through an engine cylinder including admission, cutoff, release, exhaust, and compression
b. : the pattern of branching and termination of a nerve, artery, or other ramifying structure
c. : the part of an electric supply system between bulk power sources (as generating stations or transformation stations tapped from transmission lines) and the consumers' service switches
6. : the marketing or merchandising of commodities
< the mail-order distribution of books >
< keeping track of all distribution costs of a manufactured article for a year >
7. : the manner in which the suits in a pack of playing cards are divided in one player's hand or in which one suit is divided among the hands of all the players
< a hand with 4-3-3-3 distribution contains four cards in one suit and three cards in each of the other suits >
II. noun
1. : frequency distribution
2. : probability function |