... 外阶级夹头 external step chuck 外载（机外之炸弹，火箭以及副油箱等） external storage 副油箱 external tank ...
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提出了一种快速确定柴油机机械效率的方法——无外载加减速法。
A new method to determine mechanical efficiency of diesel engine by acceleration deceleration method under non external load is proposed.
本文在考虑外载和温度的缓慢变化下，提出了一个新的运动安定定理。
A new kinematical shakedown theorem is presented under the consideration that external load and temperature change slowly.
结果结果表明：只要存在塑性耗散，耗散的能量就占外载输入能量的1/3。
The results show that the plastic dissipation will be 1/3 of the input energy when plastic deformation occurs.
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