目前北京兴华机械厂已把惯性制造技术提高到一个新的水平，成为具有相当实力的航天惯性仪表制造基地。

Beijing Xinghua Machinery Factory has pushed forward the inertial manufacturing technology to a new level and become a strong manufacturing base of aerospace inertial instruments till today.

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[3]倪兴华。地应力研究与应用[M]。北京：煤炭工业出版社，2007。

NiXinghua. In-situ stress study and applications [M]. Beijing: Chin Coal Industry PublishingHouse, 2007.

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