这一试验技术的特点是：借助图像位置分析仪，可对电视图像进行定量分析和统计分析。
The statistical quality and quantity of the image record can be acquired by means of the image position analyzer.
用图像分析仪分别测各组阳性信号的灰度值作定量分析。
Image analytic system was used to detect the gray degree values of the positive signals.
结果表明，利用图像分析仪进行铸件针孔度的定量分析，高效、准确。
The results show that quantitative analysis on degree of pinhole of aluminum alloy by Automatic Quantitative Microscope is efficient and exact.
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