You can take a cue from GCC: maintain many sets of environment variables per application and switch from one pool to another depending on the work at-hand.
您可以从GCC得到提示：为每个应用程序维护多个环境变量集，并根据手头的工作从一个集合切换到另一个集合。
Environment variables are inherited.
环境变量是继承而来的。
What about the environment variables?
环境变量呢？
Table 1 shows these environment variables.
表1展示了这些环境变量。
Step 1: Initializing environment variables.
步骤1：初始化环境变量。
The following environment variables are used.
需要用到以下几个环境变量。
They are not necessarily environment variables.
它们不一定必须是环境变量。
Find out where to set the environment variables.
弄清在何处设置那些环境变量。
Define the following three environment variables.
定义以下三个环境变量。
One of the environment variables is named WSTK_CP.
其中一个环境变量名为WSTK_CP。
Initializing and setting the environment variables.
初始化并设置环境变量。
For DB2, update the DB2 driver environment variables.
对于DB2，更新DB 2驱动程序环境变量。
Check for input parameters and environment variables.
检查输入参数和环境变量。
Environment variables, cookies or generic SSO tokens.
(可信的)环境变量、cookie或一般性sso令牌。
You must set several environment variables for ObjectGrid.
您必须为ObjectGrid设置几个环境变量。
Set just the environment variables you need to safe values.
只将您所需要的环境变量设置为可靠的值。
Install the database server and set the environment variables.
安装数据库服务器并设置环境变量。
Other environment variables are germane to individual utilities.
其他环境变量与不同的实用程序有关。
Extract the environment variables that you actually need (if any).
提取出您确实需要的环境变量(如果有)。
At the bottom of the window, click the Environment Variables button.
在窗口的底部，单击环境变量按钮。
The purpose of this command is to define a set of environment variables.
该命令的用途是定义一组环境变量。
There are a few more environment variables that relate to serviceability.
还有几个与可服务性相关的环境变量。
UNIX applications often use environment variables for customization, too.
UNIX应用程序也经常使用环境变量进行自定义的工作。
GCC defines a variety of environment variables to customize its operation.
GCC定义各种环境变量来定制其操作。
This can be done through script package environment variables (see sidebar).
这可以通过脚本包环境变量来完成(见边栏)。
Familiarity with a text editor and setting environment variables is required.
要求熟悉文本编辑器和设定环境变量。
These environment variables should be set before the application is restarted.
应该在重新启动应用程序之前设置以下环境变量。
Another really useful thing you can complete against is environment variables.
另外一个真正对您完成有用的是环境变量。
The loader is normally controlled by — you guessed it — environment variables.
这个加载器通常由环境变量来控制。
Features, such as the PATH and MANPATH environment variables, conserve typing.
有些特性，如PATH和MANPATH环境变量，可以减少输入工作量。
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