coincidence of need 中文意思是什麼
coincidence of need
解釋
需要的一致- coincidence : n. 一致（性），符合；巧合，暗合；【數學】重合，疊合（素）；同時發生[存在]。 a mere coincidence 偶合，巧合。
- of : OF ＝Old French 古法語。
- need : n 1 必要 需要。2 缺乏 不足。3 需求；需用的東西。4 危急的時候 一旦有事的時候。5 貧窮。vt 要 需要 ...
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Abstract : according to the dynamic demand of main shaft system, the structural dynamic modification method is used for correcting the stiffness of the supportings member and joints, so that the dynamic characteristic of main shaft system should meet the need of design. a practical structure of elastic supporting and elastic joints has been designed on the basis of corredcted stiffness of supporting and joint. the numeric simulation of main shaft system with elastic supportings and elastic joints are compared with its design requirement. their coincidence verifies the effectiveness of sdm method and the correctness of design method
文摘:根據細紗機主軸系統的動特性要求，應用結構動力學修改方法來修正支承和聯軸節單元的剛度，以使主軸系統的動特性滿足設計要求.根據修正過的支承和聯軸節的剛度，一個彈性支承和彈性聯軸節的實際結構已經被設計出.比較具有彈性支承和彈性聯軸節的主軸系統的數字模擬與設計要求.其一致性證明了sdm方法的有效性和設計方法的正確性
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