| 单词 | encephalization quotient |
| 释义 | > as lemmasencephalization quotient encephalization quotient n. Biology the ratio of the actual size of an animal's brain to the size that would be expected for an animal of its weight according to the general scaling pattern of brain size to body weight in related taxa. ΘΚΠ the world > animals > animal body > general parts > internal organs and systems > [noun] > ratio of brain size encephalization quotient1970 1970 H. J. Jerison in Science 11 Dec. 1224/2 We may now define our measure of relative brain size as the encephalization quotient EQi for species i, the ratio of its brain size Ei to the expected brain Ee in a living mammal of the same body size Pi. 1981 Sci. Amer. Feb. 95/2 Overall, the encephalization quotient of the pterosaur—the ratio of the volume or weight of its brain to that of the brain of an earthbound reptile of the same size—was relatively large. 1995 Current Anthropol. 36 200 Modern humans have an encephalization quotient..of 4.6 while other primates average 1.9 ± 0.6. < as lemmas |
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