第三章首先介绍了引起长波长静校正的原因，说明了进行长波长静校正的原理，最后介绍了长波长静校正的方法。

In charter3, at first it is showed some causes of long-wavelength statics, introduced theory of long-wavelength statics and introduced method of correction.

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第三章首先介绍了引起长波长静校正的原因，说明了进行长波长静校正的原理，最后介绍了长波长静校正的方法。

In charter3, at first it is showed some causes of long-wavelength statics, introduced theory of long-wavelength statics and introduced method of correction.

youdao