一旦具有该特性基团的化合物的相对含量发生变化，吸收系数必然相应变化，所以都存在“标准油”的选择问题。
Once the relative content of the compound with the characteristics of the group, changes, the absorption coefficient will surely change. Hence the problem of choice of standard oil has to be faced.
由于磁流体的吸收系数相对较大，当激光束照射到磁流体上时，它会吸收一部分激光能量，这对其本身的光学性质会有影响。
When the magnetic fluid is irradiated by a laser beam, a part of the energy of the laser beam will be absorbed by the magnetic fluid for it has a relative large coefficient.
结果表明，低吸收系数光纤泵浦端温度相对较低，分布较为平缓，有效减缓光纤的热损伤。
It is shown that the temperature of the fiber with low absorption coefficient is comparatively low and the temperature distribution is very smooth, so the thermal damage can be effectively avoided.
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