Differing from the traditional optical measuring method, the measuring system USES two CCD cameras to record projection grating, thus reduces errors and improves measuring accuracy.
与传统的光学测量方法不同，测量系统采用两个CCD相机记录投影光栅，减小了测量误差，提高了测量精度。
Many influential factors of the result of measuring coal ash fusing temperature were analysed, and noticed proceeding which improves the accuracy of the result was put forward in this paper.
分析了影响煤灰熔融性测定结果的多种影响因素，提出了提高测定结果的准确性应注意的事项。
The invention is simple and convenient, and greatly improves the sensitivity of the photoelectric sensor, thereby enhancing the accuracy of weak light measuring.
本发明简单方便，大幅度提高了光电传感器的灵敏度，从而提高了对微弱光测量精度。
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