程序模式实际上是一种半自动模式，P代表可编程化的拍摄模式。实际使用中，相机仍然工作在自动曝光模式。
The “P” mode is in reality a semi auto mode, that is the P is the first in the line of programmed modes, but in practical use, the camera still continues to do auto exposure.
说到这儿，许多数码相机都有自动或半自动白平衡模式，帮助你进行调整设置。
Having said this - many digital cameras have automatic and semi-automatic modes to help you make the adjustments.
说到这儿，许多数码相机都有自动或半自动白平衡模式，帮助你进行调整设置。
Having said this - many digital cameras have automatic and semi-automatic modes to help you make the adjustments.
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