平均读数法去除了接触电阻的某些影响。
This average reading removes some of the effect of contact resistance.
小提示：在拍摄背光照明的人像或剪影时，试着将光源纳入构图中，但是这样会导致测光表读数不准，因此可以尝试使用包围曝光法。
Tip: For spark in a backlit portrait or silhouette, try compositions that include the light source. This can drive your meter crazy, though, so bracket your exposures.
提出过筛连通法并结合运用BP神经网络技术，解决了读数图像缺陷字符和相似字符的误识问题。
The problems of reading defect characters of images and misrecognition of similar characters can be solved by a kind of sifting-connection algorithm and the application of BP neural network technique.
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