Super precision cutting is a important field of super precision machining, and it is a broad new technic.
超精密切削是超精密加工中的一个重要领域，它是一项内容广泛的新技术。
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The brushless doubly-fed machine (BDFM) is based on the technic of field oriented control and the performance of its adjustable-speed drive can ultimately meet the need of the operation.
Fluid pressure forming and micro molding technic are expatiated and summarized, including principle, characteristic, current situation, problem and the developing trend in plastic molding field.