Earth is our home, which provides us with the necessary environment and space for living.
地球——是我们赖以生存的家园，是它给我们提供了生存的环境和空间。
It is a good idea to validate the input parameters and to check if the necessary environment variables are properly set.
最好校验一下输入参数，并检查环境变量是否设置正确。
Now that the properties have been defined, you must configure them with the necessary environment-specific variables relevant to your environment.
现在已经定义了属性，接下来必须使用相对于您的环境的必要环境特定变量对其进行配置。
The cryogenic vacuum chamber is the key part of the system, which provides a necessary environment for the cryogenic vacuum experiment of the optical element.
其中低温真空腔体是该系统中关键的装置，为光学元件的低温真空实验提供了必要的条件。
The cryogenic vacuum chamber is the key part of the system, which provides a necessary environment for the cryogenic vacuum experiment of the optical element.
其中低温真空腔体是该系统中关键的装置，为光学元件的低温真空实验提供了必要的条件。
应用推荐