permissible vibration 中文意思是什麼
permissible vibration
解釋
容許振動- permissible : adj. 1. 可以允許[許可]的；不礙事的。2. 得到準許的。n. -sibility ,-sibly adv.
- vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
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The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges
基於列車-橋梁時變系統隨機振動分析理論，按照橋上列車脫軌安全系數和司機、旅客舒適度的要求，對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析，對鐵路連續鋼桁梁橋的設計具有一定的參考作用。 -
Mechanical vibration - balance quality requirements of rigid rotors - part 1, determination of permissible residual unbalance
機械振動.剛性轉子平衡質量要求.第1部分:可允許的剩餘未平衡的測定 -
Xr series rigid tooth flank helical gear units have the feature of high versatility, good combination and heavy loading capability, along with other merits such as easying to attain various transmission ratio, high efficiency, low vibration and high permissible axis radial load
Xr系列斜輪硬面減速機是通用性強組合性好承載能力高的一種減速機，它不僅很方便地獲得各種不同的傳動比，而且效率高振動小允許有高的軸伸徑向載荷。
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