According to the data from airdrop test and comparing with the similar systems of foreign countries, it brings out some advice on improving THD system.
并且结合空投试验的数据及对比国外类似系统的设计，对系统存在的不足及改进方法提出了自己的意见。
According to the data from airdrop test and comparing with the similar systems of foreign countries, it brings out some advice on improving THD system.
并且结合空投试验的数据及对比国外类似系统的设计，对系统存在的不足及改进方法提出了自己的意见。
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