sampling cross-section
常见例句
- DESIGN: Random cluster sampling methods and a cross-section survey.
設計：隨機整群抽樣，橫斷麪調查。 - Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.
其主要工作內容包括黃河河道斷麪淤積測騐，河道表層河牀質取樣及顆粒級配分析等工作。 返回 sampling cross-section