Always readjust your focus to the infrared focusing mark when using infrared films and infrared.
当您使用红外线胶卷和红外线滤光器时,请您必须经常调整您的焦距至红外线对焦标记。
If there are different, and mark out, focusing on practice.
如果有不同的,标注出来,重点练习。
We need a much more scientific and logical method mark out the anomaly focusing area.
因此,需要一种更为科学、合理的方法圈定异常浓集中心。
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