environmental variable的用法和樣例：
例句
- The client application code page is determined by the active environment variable.
客戶機應用程序編碼頁由活動環境變數決定。 - This sample repeatedly attempts to access a disk file and an environment variable.
本示例重複嘗試訪問磁碟文件和環境變數。 - Researchers are attempting to identify the environmental variables related to the zebra mussel infestation in North American waterways.
研究人員正在試圖分辨與斑馬貽貝在北美水系蔓延有關的環境變數。
