“photoelectric shaft speed monitoring device”的概念、定义、翻译、参考文献-科学参考

单词	photoelectric shaft speed monitoring device
释义	photoelectric shaft speed monitoring device Encyclopedia 工学航空交通检测释 photoelectric shaft speed monitoring device光电式轴转速监测装置利用光学原理对轴转速进行测量的装置。可分为投射式和反射式两类。
随便看	quadrupole ion trap quadrupole-ion trap quadrupole-ion trap (QTRAP) quadrupole magnet quadrupole mass analyzer quadrupole mass spectrometer quadrupole mass spectrometer (QMS) quadrupole mass spectrosope quadrupole matrix quadrupole moment quadrupole potential quadrupole radiation quadrupole resonance quadrupole term quadrupole time of flight quadrupole-time of flight quadrupole-time of flight (Q-TOF) quadrupole vibration Quadtree quadtree quadtree index quail egg Quakers Qualification qualification administration in water conservancy construction industry

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