“diurnal migration”的概念、定义、翻译、参考文献-科学参考

单词	diurnal migration
释义	diurnal migration [dī`ǝrn·ǝl mī`grā·shǝn] ^BIOLOGY The daily rhythmic movements of organisms in the sea from deeper water to the surface at the approach of darkness and their return to deeper water before dawn.
随便看	double-theodolite observation double-throw circuit breaker double-throw switch double tide double-track tape recorder double triode doublet trigger double-tuned amplifier double-tuned circuit double-tuned detector double-U groove weld double valves double-V groove weld double-wall cofferdam double-wedge cut double weighing double-welded joint double-winding synchronous generator double word double-word addressing double-work doubling dose doubling the angle on the bow doubling time doubly linked ring

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