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1·The generation of human aesthetic psychology, closely related to the natural environment, was prec.

自然环境与人类审美心理的发生具有极为密切的关系。

2·It is better than PID controller and general fuzzy controller, so it can satisfy the request of very high contour tracking precision, position prec...

其性能优于PID控制器和常规的模糊控制器，能更好地满足超精密机床数控系统极高的轮廓跟踪精度、定位精度和抗干扰性能的要求。

3·Three sectors such as technology, technique and equipment should be considered for realization of green plastic forming process while the plastic prec...

实现绿色塑性成形加工，应从技术、工艺和设备三方面入手，走金属塑性精成形之路。

4·A saturated dispersion with ultrafine VC particles may be approached as the increasing of V content in the iron. This seems to play an important role in the prec...

超细VC弥散分布于铁素体基体，随球铁含钒量增加，超细v C量趋于饱和，这部分碳化物在球铁的强化中起主要作用。