随着任京线年输量的逐渐下降，管道输油泵所做的无用功越来越多。
Pipeline pumps are increasingly doing useless work with the decrease of annual throughput in Renqiu-Beijing Oil Pipeline.
维京登陆任务显示，由于没有水，强紫外辐射，氧化性的土壤，当前火星表面不适合生命生存。
The Viking lander missions showed the present surface environment of Mars to be unfavourable for life due to the absence of liquid water, intense UV radiation, and oxidizing soils.
公司的首席专家任中京教授是我国激光粒度分析技术的开创者，在颗粒测试领域享有极高声誉。
The company's chief expert Professor Zhongjing Ren who has taken a high reputation in the field of particle testing is one of the pioneers of China's laser particle size analysis.
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