“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	matrix permeability matrix perturbation analysis matrix phase matrix p-norm matrix polynomial matrix polynomial identity matrix power matrix power series matrix printer matrix product matrix rank matrix realization matrix reference material matrix representation matrix representation of ket and bra matrix representation of operator matrix ring matrix root matrix sampling matrix sampling design matrix semigroup matrix series matrix signature matrix solution matrix spectrum

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