“migration”的概念、定义、翻译、参考文献-科学参考

单词	migration
释义	migration [mī`grā·shǝn] ^{CHEMICAL ENGINEERING} See <<bleeding>> ^CHEMISTRY The movement of an atom or group of atoms to new positions during the course of a molecular rearrangement. ^{COMPUTER SCIENCE} Movement of frequently used data items to more accessible storage locations, and of infrequently used data items to less accessible locations. ^GENETICS The transfer of genetic information among populations by the movement of individuals or groups of individuals from one population into another. ^GEOLOGY 1. Movement of a topographic feature from one place to another, especially movement of a dune by wind action. 2. Movement of liquid or gaseous hydrocarbons from their source into reservoir rocks. ^HYDROLOGY Slow, downstream movement of a system of meanders. ^METALLURGY The uncontrolled movement of certain metals, particularly silver, from one location to another, usually with associated undesirable effects such as oxidation or corrosion. ^{SOLID-STATE PHYSICS} 1. The movement of charges through a semiconductor material by diffusion or drift of charge carriers or ionized atoms. 2. The movement of crystal defects through a semiconductor crystal under the influence of high temperature, strain, or a continuously applied electric field. ^{VERTEBRATE ZOOLOGY} Periodic movement of animals to new areas or habitats.
随便看	initial orders initial permeability initial potential initial program load initial program load button initial saturation initial set initial shot start pressure initial surge voltage initial-value problem initial-value theorem initial velocity initial yaw initiate initiating agent initiation initiation codon initiation complex initiation factor initiation step initiator initiator codon initiator ribonucleic acid injected injected gas

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