尽可能地坚持利用插图,因为照片可能复制效果不佳。
Stick with illustrations whenever possible, since photographs may reproduce poorly.
耦合器分光比、光纤环形腔中的损耗和噪声对复制效果有不同的影响。
The noise and loss of the system, as well as the coupling ratio, make different effects upon replication effect of optical periodic pulses.
这台复印机复制的色彩效果很好。
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