在真实环境中，System.currentTimeMillis 的分辨率可能会糟糕 ~10-100 倍。

In reality, System.currentTimeMillis can have ~10-100 times worse resolution. Its Javadocs state

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如果这些照片是真实的，那么说明新版iPhone将比现在的iPhone更大并且可能还有4英寸的高分辨率显示屏。

If these pictures are real, it means that the new iPhone will be bigger than the current model and could have the rumored 4-inch retina display.

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来自英国南极观测站（BAS）的地图学专家Peter Fretwell说：“我们无法在卫星影像上看见真实的企鹅，这是因为卫星的分辨率还没有达到能看清企鹅的地步。 但是在繁殖季节时，企鹅们会在一个栖息地呆8个月之久。

Mapping expert Peter Fretwell, from the British Antarctic Survey (BAS), said: 'We can't see actual penguins on the satellite maps because the resolution isn't good enough.

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