root initiation 中文意思是什麼
root initiation
解釋
發根- root : n 魯特〈姓氏〉。n 1 （草木、毛發等的）根；根菜，食用菜根；根莖，地下莖；塊根；有根植物，草木，草...
- initiation : n. 1. 開始，創始；起爆。2. 教導，指點，啟發。3. 正式加入；入會儀式，入黨儀式。
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The network carbide and acicular martensites that existed in the microstructure of the root grooves of the spline due to improper carburating and quenching process of the shafts, led to the initiation and propagation of the intergranular microcracks and were the main reason that caused the early fracture of the shafts
由於滲碳淬火工藝不當，在二軸花鍵槽根部的組織中產生了網狀破化物和粗大的針狀馬氏體，在外力作用下形成沿晶顯微裂紋並擴展，是導致二軸疲勞斷裂的主要原因。 -
The result shows that the fracture has appeared fatigue feature, with initiation sites at the root grooves of the spline of the shafts
結果表明，軸的斷口具有明顯的疲勞特徵，疲勞源位於二軸花鍵槽根部。
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