That is, society will reward you with a remarkable life if and only if you can offer in return a useful and rare service.
社会奖励你的非凡生活仅是作为对你向社会提供珍稀服务的回报。
The method fits for the antenna feed cover and is useful to extend the service life of the antenna feed cover.
采用这种胶粘技术有助于提高天线馈源罩的使用寿命。
The paper will be useful to structural integrity analysis of grains and to a study of the service life of solid propellants.
该技术和结果对装药结构完整性分析及推进剂储存寿命的研究有重要意义。
The paper will be useful to structural integrity analysis of grains and to a study of the service life of solid propellants.
该技术和结果对装药结构完整性分析及推进剂储存寿命的研究有重要意义。
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