sampling cross-section
常见例句
- DESIGN: Random cluster sampling methods and a cross-section survey.
设计：随机整群抽样，横断面调查。 - Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.
其主要工作内容包括黄河河道断面淤积测验，河道表层河床质取样及颗粒级配分析等工作。 返回 sampling cross-section