Listening is a weak section in college English study.
大专英语学习中听力是一个薄弱环节。
Still agriculture is a very weak section in our country's economic system.
农业的基础地位还很脆弱，农业仍是国民经济中最薄弱的部门。
The mobile system was used in several geological weak section of West Virginia railway lines, for data collection.
该移动系统曾用于西弗吉尼亚州铁路运输线路几处地质薄弱区段。进行数据采集。
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