介绍了一种新型的基于平面等倾干涉原理的高精度平面度测量系统。

This paper introduce a new type of high precision measurement system based on plane isoclinic interference theory (PUT).

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非平面型楼板其楼板形态经过接合、折叠、断裂、拓扑多孔体等多种方式的蜕变，构成了复杂性的空间系统。

Floor morphology of un-flat surface type constitute complicated space system by metamorphosis in ways of joint, folding, rupture, topological multi-hole system, and so on.

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提了基于二阶线性系统等倾线法绘制相平面原理，实现了高阶非线性控制系统相平面相轨迹的作图算法。

In this paper a new concept of phase contrail of phase plane for higher order nonlinear control system based on isoclines method of second-order linear system is proposed.

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