So that a disaster is something that befalls you because of a bad alignment of the stars.

所以，disaster就是指，星星的排列十分凶险，因而导致了某些事情发生在你头上。

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Through investigation and analysis, the causes to the bad lateral alignment have been found, and measures to optimize the lateral locating parameters are set up.

通过调查分析，找出了横向对中性差的原因，并制定了优化横向定位参数的措施。

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