| 单词 | artificial selection |
| 释义 | artificial /är-ti-fishˈəl/adjective
ORIGIN: ME, from L artificialis, from artificium (see artifice) artificiality /-fish-i-alˈi-ti/ noun artificˈialize or artificˈialise transitive verb artificˈially adverb artificˈialness noun artificial horizon noun A gyroscopic device indicating an aircraft's attitude in relation to the horizontal artificial insemination noun The injection of semen into the uterus or vagina by other means than sexual union (abbrev AI) artificial intelligence noun The use of computers in such a way that they perform functions normally associated with human intelligence, such as learning, adapting, self-correction and decision-taking (abbrev AI) artificial kidney noun A kidney machine artificial language noun An invented language functioning not as the native speech of its users but as a computer language or means of international communication artificial life noun Simulation of the behaviour of living organisms by computers artificial porcelain noun Soft-paste porcelain artificial radioactivity noun Radiation from isotopes after high-energy bombardment in an accelerator by alpha particles, protons, or neutrons artificial respiration noun Stimulation of respiration manually or mechanically by forcing air in and out of the lungs artifical satellite noun A man-made spacecraft designed to orbit a celestial body artificial selection see select artificial silk see silk artificial sunlight noun Light from lamps rich in ultraviolet rays artificial insemination by donor Former name for donor insemination (see under donation), discontinued because of the similarity of its commonly used abbreviation AID to AIDS |
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