The motor vehicles insurance is the primary property insurance class, and one of its characteristics is the high accident frequency.
机动车辆保险是财产保险的主要险种，它的一个特点是出险频率高。
The sole manufacturer with independent intellectual property rights of four-quadrant high voltage variable frequency technology.
荣信公司是国内最早对四象限中压变频技术有自主知识产权并掌握核心技术厂家。
The capacitor coupling circuits are applied in the high frequency circuit. It concern the coupling coefficient that the resonance property and frequency property.
在高频电路中，有时用到电容耦合回路，其调谐特性和频率特性与耦合系数直接相关。
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