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.

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其中智能地判断环境背光的强弱是系统的关键，对此提出了记忆偏差算法的智能判断法。

In which, judge intelligently that environment is strong and weak as being shaded to be systematic key, have put forward the intelligent law of judging of memory deviation algorithm for this.

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