You are a traveler and the Crab is a homebody; that automatically puts you on a different wave length.
你是个旅行家，而蟹子是个居家的动物，很明显你们不是一条道上的人。
OPM(Optical Performance Monitor) can measure the performance of the light in different wave length in the optical-fibre.
光性能监测仪OPM可以方便地检测出光纤中各个波长的光波的性能。
Four spectral lines with different wave length of sodium atom were selected in measuring the arc temperature by Boltzmann's Graphical Method.
试验选用了钠原子四条不同波长的谱线，用玻耳兹曼图解法求得电弧的温度。
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