He hit the magnification on his faceplate and saw lines of fire tracing their reentry vectors.

他调高面板的放大倍率,看到飞船进入大气层的方向拖着一条火焰.

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Objective To review the different ways a hand - held magnifier is used and its effect on magnification.

目的探讨手持放大镜在不同使用条件下对放大倍率的影响.

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It is due to the fact that different area of the lens produce different magnification.

这是因为镜片各部分有不同的放大倍率所致.

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