according to need (physicians use PRN in writing prescriptions);

"add water as needed"

adjust the layout as needed in the language applications.

根据需要调整语言应用程序中的布局。

in 3-d graphics parlance, a texture is an image applied to a design area like wallpaper pattern: the image is repeated or cut as needed to cover the surface.

在3-d图形用语中，纹理是指像墻纸模式一样应用到某个设计区域的图像：该图像可以重复，也可以根据需要裁剪，以覆盖平面。

change the port number as needed in your repl session if your copy of couchdb is configured differently.

如果您的副本配置不同，可以根据需要在您的repl会话中更改端口号。

the administrator can increase or decrease the number of cpu vps as needed by the database server.

管理员可以根据需要通过数据库服务器增加或减少cpuvp 类的数量。

the expectation is that the software will be distributed across these devices to provide functionality as often as needed or to balance processing to meet unpredictable loads.

我们的期望是软件将在这些设备间分布式使用，根据需要提供功能性，或者平衡处理来满足不可预知的负载。

it handles the failing over of the resource groups from one system to the other as needed after a failure or after a coming back of a server from a failure.

发生故障或者服务器从故障中恢复之后，它按需处理从一个系统到另一个的资源组的故障转移。

this approach allows the authentication architecture of a system to be modified and enhanced as needed without requiring the system to be rebuilt or modified internally.

这一方法允许系统的身份认证架构根据需要进行修改和完善，并不用对系统的身份认证架构进行内部重建或修改。