(a) a minute object used as a test of the power of a microscope; (b) an object upon which a testing experiment is tried.
| 单词 | θ20236 |
| 释义 | the world > life > biology > laboratory analysis > material > [noun] > test object, etc. (4) test object1830 (a) a minute object used as a test of the power of a microscope; (b) an object upon which a testing experiment is tried. test1832 Microscopy. A test object: see compounds 2. tester1925 Biology. A stock or strain of organism used to investigate some genetic characteristic of another strain. test-cross1934 A cross between an individual whose genotype for a certain trait is unknown and one that is homozygous recessive for that trait, so that the… |
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