为应对这些限制，粮食进口国正试图敲定长期贸易协议，以锁定未来粮食供应。

In response to those restrictions, grain-importing countries are trying to nail down long-term trade agreements that would lock up future grain supplies.

youdao

HTTP协议设计为在开始发送请求时，请求发送所使用的连接在响应完全发回之前都几乎完全锁定。

The HTTP protocol was designed such that when a request begins to be sent, the connection that request is being sent on is virtually locked until the response is sent back in its entirety.

youdao

在 NFSv4 之前，存在一定数量的辅助协议用于加载、锁定、和文件管理中的其他元素。

Prior to NFSv4, there existed a number of ancillary protocols for mounting, locks, and other elements in file management.

youdao