这是一个不稳定系统，就像尝试平衡立在指尖上的铅笔一样。
This is an unstable system, like trying to balance a pencil on your fingertip.
我兄弟曾送给教授一个玩具，那是一只立在盛水的碗边保持平衡并反复把头浸入水中的鸟。
My brother once gave the Professor a toy, a bird that balanced on the edge of a bowl of water and repeatedly dunked its head in the water.
新创建康乐委员会于2005年成立，一直为同事举办多元化活动，如足球比赛，瑜伽班等，借以提升集团上下对工作与生活平衡的关注。
NWS Sports and Recreation Committee, which was set up in 2005 to boost work-life balance among staff, has been launching a wide variety of activities such as soccer competition and Yoga Class.
体操运动员优美地立在平衡木上。
如果美国的每个人都能在地图上保持平衡的话，那么这个正在穿越斯蒂尔·维尔大街的卡车司机一度跨立在地心引力的中心。
If everyone in the United States were balanced on a map, a trucker crossing Steelville's Main Street would once have straddled the center of gravity.
下部特殊管件设计，消除水舌、水塞、水壅等现象，保持立管内空气畅通，有效保证管道内的压力平衡，可大幅度提高系统的排水能力。
Upper and under connection design which avoid water block, keep air smooth in the pipe, sure the pressure balance in the pipe, is good to improve drainage ability.
本文研究了三种不同空间立构聚甲基丙烯酸甲酯的辐射效应，提出裂解过程是一种裂解与重合的动态平衡过程。
The radiation effect on poly (methyl methacrylate) with different tacticities was studied. It was proposed that chain scission process was in a kinetic equilibrium between scission and recombination.
本课题的主要目标是开发一个检测系统，检测数控立车工件旋转过程中的在线不平衡量。
The main objective of this task is to develop a detection system to test online unbalance of CNC Vertical Lathe workpiece during rotation.
本课题的主要目标是开发一个检测系统，检测数控立车工件旋转过程中的在线不平衡量。
The main objective of this task is to develop a detection system to test online unbalance of CNC Vertical Lathe workpiece during rotation.
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