Accidental movement of the camera during an exposure is called camera shake and has the effect of smearing the image in the direction of movement.

在单一曝光中，相机的意外抖动被称为相机振动，它会带来动态方向上的模糊。

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Use a regular, corded telephone when at home or at work. Cutting even 20 percent of your daily RF exposure is a step in the right direction.

在家或工作时使用常规有绳电话，这是减少日常RF(射频)辐射量20%的上佳选择。

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Use a regular, corded telephone when at home or at work. Cutting even 20 percent of your daily RF exposure is a step in the right direction.

在家或工作时使用常规有绳电话，这是减少日常RF(射频)辐射量20%的上佳选择。

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