It has the advantages of high precision and high work efficiency in deformation observation for large buildings and structures.
利用它对大型工程建(构)筑物进行外部变形观测，具有精度高、工效高、所获取的数据准确可靠等优点。
High speed machining is a kind of high efficiency, high precision and low energy consumption new machining method.
高速切削加工是一种高效、质、精度低能耗的新型加工方法。
CBN grinding wheels have wide application in high efficiency and high precision grinding because of their excellent properties.
CBN砂轮以其优异的性能在高效、高精度磨削中具有广阔的应用前景。
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