“ambulacrum”的概念、定义、翻译、参考文献-科学参考

单词	ambulacrum
释义	ambulacrum [´am·byǝ`lak·rǝm] ^{INVERTEBRATE ZOOLOGY} In echinoderms, any of the radial series of plates along which the tube feet are arranged.
随便看	traveling microscope traveling position traveling road traveling salesman problem traveling-screen dryer traveling valve traveling wave traveling-wave amplifier traveling-wave antenna traveling-wave magnetron traveling-wave magnetron oscillations traveling-wave maser traveling-wave parametric amplifier traveling-wave phototube traveling-wave tube travel-time curve traverse traverse adjustment traverse sailing traverse table traversia traversier traversing mechanism travertine trawl

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