The Web application makes a call to the Web services application (in what is referred to as a secondary request).

Web应用程序对Web服务应用程序(在其中被称为备用请求)发出调用。

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Paths and secondary roads were improved only at the request of communities who were willing to participate in construction and maintenance.

只有在那些愿意参与建设和保养公路的社区提出要求后，乡间小路和二级公路才有所改善。

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When failover happens, a secondary server will be chosen as the new acting primary, and request processing continues as before.

当故障转移发生时，一个次服务器将被选择作为新的代理主服务器，请求处理像前面一样继续进行。

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The ECB has pledged to buy the debt of fiscally struggling euro-zone countries in the secondary market if their governments request assistance and meet other criteria.

WSJ: Spain Sells Dollar Bond