Point the camera at a white background, and observe this phenomenon with a magnifying glass.
将相机对准白色背景,然后用放大镜观察这种现象。
That historian might also observe that the curiosity was only a temporary phenomenon and mankind reverted back to the traditional state of affairs-arbitrary control and abuse.
历史学家也许还会观察到这出奇仅是一个短暂的现象,人类很快又返回到传统的恣意控制与滥用状态。
This phenomenon is most readily understood from the point of view of the stationary observe a.
从静止的观察者a的角度看,这个现象是最容易理解的。
This phenomenon is most readily understood from the point of view of the stationary observe a.
从静止的观察者a的角度看,这个现象是最容易理解的。
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