They sighted each pole, reading off measurements that were then used to calculate the change in elevation over each increment.

他们瞄准了每个极点，读出测量值，然后用这些测量值来计算每个增量上的海拔变化。

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Here's how the seasonal change affects the weather: Around the time of the June solstice, the North Pole is tilted toward the sun and the Northern Hemisphere is starting to enjoy summer.

季节是这样影响天气变化的：约在6月份夏至的时候，北极斜向太阳一面，北半球开始享受夏天。

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All humans surviving the pole shift will have died, and incarnated safely elsewhere, before this climate change occurs.

在发生这种气候变化之前，所有在极移中幸存下来的人类已经死去，并且在别处安全地化身了。

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