step-up exchange的意思|示意

Given the losses they have already suffered through the pound's fall, will they step up their purchases, especially as the growth rate of global foreign-exchange reserves is slowing?

由于英镑贬值已使他们损失良多，尤其在全球外汇储备增速放缓时，他们是否会增加购买量便成了个疑问。

After setting up the cryptographic library, the next step is to exchange certificates between the systems.

设置Cryptographic Library之后，下一步是在系统之间交换证书。

Step 4: Set up WebSphere security, SSL certificates and transaction service for WS-AT message exchange.

步骤4：为WS - AT消息交换设置WebSphere安全性、SSL证书和事务服务。