为减少写入光纤光栅的偏振模色散，研制了新的低偏振模色散光纤光栅补偿写入法。
In order to decrease polarization mode dispersion (PMD) of chirped fiber Bragg grating, a novel method, which is called polarization mode dispersion-compensation written technique, has been developed.
对全部术眼分别应用显然验光法和角膜曲率法观察术后1周、1、2、3个月球镜和散光度数的变化。
All patients were refracted and examined with keratometry preoperatively, 1 week, 1. month, 2 months and 3 months postoperatively.
窄带滤光片法测量不确定度为0.646%（置信概率约为95%），能满足星载成像光谱仪杂散光测量的工程需要。
The relative uncertainty of the measurement is 0.646% when the fiducial probability is about 95%, which can meet the needs of the stray light measurement.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。
Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
现有的杂散光测量系统分为两类，分别为面源法（黑斑法）和点源法。
Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
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