其次，重新定位相机（仍按住快门按钮），使拍摄对象不在中央。

Second, reposition your camera (while still holding the shutter button) so the subject is away from the center.

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按压向上向下按钮选择符单点式或中央偏重测光。

Press the updown buttons to select either spot metering or enter-weighted average metering.

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在这种情况下，一种便于集中控制这些设备资源的“中央控制系统”便应运而生。只需一个按钮，所有的操作均按程序自动进行。

In this case, a centralized control device for the resources of the "central control system" will emerge as The Times require.

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