电子直线加速器的腔式耦合器通过侧面匹配膜片和方波导相连，它引起了腔中场振幅和相位的不对称。

The transition from the rectangular waveguide to the cavity coupler in LINACis made by means of a matching iris, which leads to amplitude and phase asym-metries of fields in the cavity coupler.

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金属磁性薄膜良好的导电性和微小的体积，使得在复磁导率的测量中对膜片位置的精确定位、测量仪器的精度和匹配等提出较高的要求。

The excellent conductivity and small volume of the metallic magnetic thin films leads to the high requirements on film position in the cavity, the precision and match of the devices.

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研究了复合法和结晶法两种封接方式，使陶瓷基座与膜片达到良好的匹配封接。

In order to acquire a good hermetic seal between the diaphragm and the base plate, two sealing methods were used, namely, compound method and crystallite method.

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