It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment.

它毕竟是一个简单的球窝关节；它有一定的载荷；它在有限的生命中需要可靠性；它必须包含适合工作环境的材料。

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Shaikhutdinov lamented that though the two countries had signed an agreement to fight terror in 2002 and formed a joint working group, nothing much has happened.

沙克胡迪诺夫哀叹，尽管两国于2002年已签署反恐协议，并形成联合工作组，但除此之外什么都没有发生。

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There is also a joint working group on the border issues as well as an expert committee or an expert group.

双方还有一个边界问题联合工作组，也还有一个专家委员会或者叫专家组。

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Washington and Tokyo are working on a joint missile-defense shield, and South Korea is considering the purchase of American SM-2 defensive missiles for its destroyers.

NPR: Bush Calls for Unity, Condemns North Korean Tests

Camden Council won the "Preventative Partnerships" award - this reflects the success of joint partnership working in pioneering campaigns to tackle both smoking related litter and responsible dog ownership.

BBC: Camden Council response

President Obama and President Rousseff have further advanced our bilateral health cooperation through the U.S.-Brazil Working Group on Public Health, under the U.S.-Brazil Joint Commission on Science and Technology .

WHITEHOUSE: Fact Sheet: The U.S.-Brazil Global Partnership Dialogue