The exact solution of infinitely long circular cylindrical shell with one end fixed, the other end loaded by a couple is obtained.

用解析法求得了无限长园柱壳一边固定，另一边受力偶作用的精确解。

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Electrolyte is one of the key materials of synthesis of lithium ion battery of high density of power, high density of energy, long circular life and good capability of security.

电解质是制备高功率密度、高能量密度、长循环寿命和安全性能良好的锂离子电池的关键材料之一。

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The Large Hadron Collider is a 27km-long circular accelerator that is being built at CERN, the European particle-physics laboratory near Geneva, specifically to look for the Higgs boson.

那个大型强子碰撞机是建在日内瓦附近的欧洲粒子物理研究所的一个长为27公里的回旋加速器，其主要功能就是寻找Higgs玻色子。

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U.S. and British airstrikes have cut off the Taliban air supply routes to the north, leaving the Taliban only a long circular route through western Afghanistan to supply the north, Abdullah said.

CNN: Northern Alliance: Taliban supply route cut

So these circular monuments have had a long life and no doubt have meant different things to different people.

BBC: Discovering Britain��s prehistoric stone circles

After a few months planning the event, I met the Lamborghini staff at Nardo Prototipo: a four-lane, 7.8-mile-long (12.6 km) circular track in southern Italy, where Ferrari , Maserati and other exotic carmakers test their vehicles.

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