还可以减少应用程序和数据库之间的潜在往返行程次数。
It also reduces the potential number of round trips between an application and the database.
并以数控冲模回转头压力机为例，就如何计算机身的固有进行了探讨，为曲柄压力机机身的动态性能设计并提高其行程次数提供了理论依据。
By example of CNC turret punch press, discusses how to calculate its free frequency. Theoretical base is provided to dynamic property design of frame and to increase SPM of press.
圆弧形自动门是往复摆动，其运动参数是每分钟摆动次数、摆角大小和行程速比系数等。
The circular arc automatic door is reciprocating swing, and its motion parameters are the number of swing per minute, the size of the swing Angle and the travel speed ratio coefficient.
活塞行程长度1，以及活塞每分种在缸套种往复的次数n有关。
Piston stroke length of 1, as well as the piston per minute species reciprocating cylinder liner at the number (referred to as red pump or pump a few) n-related.
然而，在欧盟国家居民依靠机动车外出的次数中，有30%行程少于2千米，有50%少于5千米。
Yet, in EU countries, 30% of motorised trips are shorter than 2 km and 50% are shorter than 5 km.
然而，在欧盟国家居民依靠机动车外出的次数中，有30%行程少于2千米，有50%少于5千米。
Yet, in EU countries, 30% of motorised trips are shorter than 2 km and 50% are shorter than 5 km.
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