London's third great function, since the seventeenth century, has been that of national and international bourse: the exchange of stocks and shares, banking, commerce and, increasingly, insurance.

自17世纪以来，伦敦的第三大功能就是充当国内和国际证券交易所，负责股票和股份、银行业、商业以及越来越多的保险的交易。

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For the agreement between routers exchange authentication function, improve the network security.

为路由器间的协议交换增加认证功能，提高网络安全性。

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The time limit of evidence and evidence exchange perfect the function of the court during the pretrial procedure.

举证时限与证据交换的内容完善了法院在审前程序的功能；

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In its function as a medium of exchange, medium of payment and store of value, gold is thus, in a sense, a timeless classic.

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Although more complicated to use than Napster, they perform the same function of allowing people to exchange music and other files with each other over the internet.

BBC: You are in: Business

The exchange's function as a securities marketplace fits this definition, but what of its duty as a self-regulatory organization (SRO) to regulate its members and listed companies?

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