The exchange of service is called a side out.

交换发球权叫换发球。

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The whole purpose of the authentication service is to securely exchange the client identity and session key to the server to which the client wants to authenticate.

身份验证服务的总体目标是，与客户端希望向其进行身份验证的服务器安全地交换客户端身份和会话密钥。

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This is handled in the policy description by using a nested policy for the exchange with the STS, while the main body of the policy applies to the exchange between the client and the service.

对于与 STS 之间的交换，可在策略描述中通过使用一个嵌套的策略加以处理，而此策略的主体则用于客户机与服务之间的交换。

youdao

The point is that they have received what they have through the free exchange of people who have given them their holdings, usually in exchange for providing some other service Good enough.

关键是，他们赚到的这些钱,都是通过与人自由交换得来的,那些人也得到了报酬，通常是以提供其他服务作为交换的,很不错。

耶鲁公开课 - 公正课程节选

The confluence of these matters was embodied in Bill Casey's distinguished Wall Street and Washington careers, the latter of which included service as Chairman of the Securities and Exchange Commission and Director the Central Intelligence Agency.

CENTERFORSECURITYPOLICY: The William J. Casey Institute

This sudden surge of requests, which were cancellations for a large batch of orders that the machine had never actually sent out, acted like a denial-of-service attack on some parts of the New York Stock Exchange.

FORBES: 10 Ways Electronic Breaches Could Blindside Global Finance

In addition, securitisers face probes by several state attorneys-general, the Internal Revenue Service, the Federal Bureau of Investigation, the Securities and Exchange Commission and the Justice Department, as well as lawsuits from investors and a rising number of stricken municipalities.

ECONOMIST: Securitisation