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The no staff and self-reducing tacheometer is a new type of surveying instrument designed and constructed by a group of teachers and students of our department.

自计视距仪是一种新式的量仪器,经过研究,我们已初成功。

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INSAR, INSAT, insatiability, insatiable, insatiably, insatiate, insaturation, InSb, inscape, inscattering,

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3G, 401(K), a,

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