Each severe earthquake brings great damages and losses to people in China, which lies in a high-frequency earthquake region.
而我国处于地震多发区域，历次大地震都给人民造成了严重的生命和财产损失。
Abstract: Due to high frequency and great losses of natural disasters occurred in China, catastrophe insurance is in great demand.
[摘要]我国是自然灾害种类多、频率高、损失大的国家。
It has characteristics of large current, high power, high voltage, high switch frequency, proven reliability, low losses and so on.
它具有大电流、高电压、开关频率高、高可靠性、结构紧凑、低损耗的特点。
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