介绍了一种可测试所有导电和非导电纤维横截面积的非接触式静电共振法。

The contactless electrostatic resonance method to determine the cross sectional area of conductive and unconductive monofilament was introduced.

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然后用小参数法求出了非线性的非共振周期解和共振周期解。

The nonlinear resonant and non-resonant periodic solutions are obtained by the small parameter methods.

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采用飞秒激光，运用简并四波混频法，研究了化合物在非共振状态下的三阶非线性光学性能。

By using femtosecond laser, the off-resonant third-order optical nonlinearity of the compound was measured with degenerate four-wave mixing technique.

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