preliminary shaping 中文意思是什麼

preliminary shaping 解釋
預成型
  • preliminary : adj 1 預備的;初步的,初級的。2 序言性的,緒言的。n 1 〈常 pl 〉初步,開端;預備行為[步驟、措施]...
  • shaping : 成型
  1. In accordance with the problems existing in the present research, taking milky way mcar as the object of study, some creative work has been as follow : 1. a systematic introduction was given about the shaping method, characteristics and developing history of mcar. the present experimental and theoretical researches situations and the preliminary conclusions were summarized

    本文以銀河拱型波紋鋼屋蓋為研究對象,基於國內外的研究及應用狀況,針對目前所存在的問題,主要進行了如下一系列有意義的研究: 1 、系統的介紹了金屬拱型波紋屋蓋的成型方法、特點、發展歷史,綜述了這種新型結構形式的理論、試驗研究現狀。
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