此项设计技术对带反向喷管的固体火箭发动机设计具有参考作用。
This technique is available for the design of SRM with reverse nozzle.
提出了带反向词频的中英文词典这一概念。
This article puts forward the concept of Chinese and English dictionary with reverse term frequency.
提出了带反向词频的中英文词典这一概念。
This article puts forward the concept of Chinese and English dictionary with reverse term frequency.
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