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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本文将在RBC模型引入“金融加速器”来分析金融信贷市场中存在的信息不对称对经济所造成的影响。

By introducing "financial accelerator" into Real Business Cycle model, this paper studies the effect of asymmetric information on economy.

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