“tube”的概念、定义、翻译、参考文献-科学参考

单词	tube
释义	tube [`tüb] ^BIOLOGY A narrow channel within the body of an animal or plant. ^ELECTRONICS See <<electron tube>> ^ENGINEERING 1. A long cylindrical body with a hollow center used especially to convey fluid. 2. See <<inner tube>> ^GEOLOGY A passage in a cave having smooth sides and an elliptical to nearly circular cross section. ^ORDNANCE The main part of a gun, the cylindrical piece of metal surrounding the bore; tube is frequently used in referring to artillery weapons, and barrel is more frequently used in referring to small arms.
随便看	nonessential amino acid noneuclidean geometry nonexecutable statement nonexpendable nonfaradaic path nonfatal error nonfeasible method nonferrous metal nonferrous metallurgy nonflowing well nonfluent aphasia nonfragmenting projectile nonfreezing explosive nonfrontal squall line nonfunctional packages software nongonococcal urethritis nongraded nongranular leukocyte nongraphic character nonhistone protein nonholonomic constraint nonholonomic system nonhoming nonhoming tuning system nonhypergolic

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