被测定物 ( Measuring Object ) ：Standard diffusing surfice 测定项目(Measuring Items) ：cd/㎡、rlx、LV unit selection
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The system has features of many measuring items , fast analysis , high accuracy and convenience in operation.
本系统具有测量项目多、分析速度快、准确度高、操作简便等特点。
The paper has provided theoretical basis and computation method of the four measuring items of microstructure for digital image processing by studying quantitative metallography.
通过研究定量金相技术为半固态微观组织的固相率，晶粒大小，晶粒尺寸分布和形状分布的图像处理提供了理论依据和计算方法。
Because of the complex operation and lots of the measuring items, traditional methods of measurement and calibration of spectrum analyzer are time-consuming and effort-consuming.
在对其进行计量和检定的过程中，由于操作复杂，需要测试的参数多，手动测试相当耗时耗力。
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