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近年来,由于国内轿车偷窃现象频频发生,给车主带来不必要的烦恼并造成相当大的经济损失。国外已设计和制成了很多汽车防窃报警装置。归纳起来主要有下列三种类型:
In recent years, frequent domestic car theft has brought unnecessary troubles to the owners and caused considerable economic losses. Abroad has designed and made a lot of car anti-theft alarm device. To sum up the following three types: