鉛史 的英文怎麼說
中文拼音 [qiānshǐ]
鉛史
英文
enshi-
Mr smith pencilled a note and left it on the table
史密斯先生用鉛筆寫了張條子留在桌子。In the eighties, it developed a computer - laser chinese character editing and typesetting system, which enabled china ' s printing industry to end its history of lead and fire and step into a period of light and electricity
80年代，北大研製出計算機? ?激光漢字編輯排版系統，使中國印刷業結束了鉛與活的歷史而步入光與電的時代。When the propellant was lead styphnate and nickel hydrazine nitrate, their properties of ignition and thrust were investigated under different chamber diameter and different proportion of the mixed propellant. the influence of different thruster parameters on thruster properties was calculated
研究了史蒂酚酸鉛和硝酸肼鎳在不同藥室直徑和藥劑配比下的點火和推進性能，並且計算了推力器參數對推力性能的影響。
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