在电磁关系的基础上，建立起复合次级永磁直线同步电动机的数学模型。
On the basis of electro-magnet relationships, a mathematical model of permanent magnet linear synchronous motor (PMLSM) with a conductive plate on its secondary was built.
此次信贷危机是一系列的复合危机，它开始于美国的次级贷，逐渐席卷了多种资产类别和其它地区。
The credit crunch has been a series of multiple crises, starting with subprime mortgages in America and progressively sweeping through asset classes and geographies.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
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