nitrogen support system 中文意思是什麼
nitrogen support system
解釋
氮保障系統-
With the construction of geographically referenced database based on second national soil general survey materials, including the data of soil profiles physical chemistry property, soil profiles depth, soil nitrogen content, soil bulk density, and the support of geographic information system, this paper systematically quantified the soil nitrogen pool
本文以中國陸地生態系統中的土壤為研究對象,以中國較完善和精確的第二次土壤普查統計資料為基礎,在地理信息系統( gis )的支持下,對土壤剖面資料進行空間化,初步建立了土壤剖面數據庫。 -
The gas supply system in the launch area offers compressed air 、 high - purity nitrogen and high - purity helium for carrier rocket 、 spacecraft test 、 fueling and satellite launch, which is an important part of the ground service support system in the launch area
發射場配氣系統為運載火箭和衛星測試、加註、發射提供壓縮空氣、高純氮氣和高純氦氣,是發射場地面勤務系統的重要組成部分。
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