| 1. | Which is darker - coarse sand or fine sand
粗沙还是幼沙的颜色较深？ |
| 2. | Then , why does coarse sand look darker
为什么粗沙看来较深色？ |
| 3. | So scattering cannot explain why coarse sand looks darker
所以，散射现象并不能用来解释为什么粗沙看来较深色。 |
| 4. | Concial sand from coarse sand
粗砂锥辗矽砂 |
| 5. | Further study on key tributaries in coarse sand concentrated coming area in the middle yellow river
黄河中游粗泥沙集中来源区重点支流深化研究 |
| 6. | Relevant problems of dam system construction at more and coarse sand region in the west part of shanxi province
晋西多沙粗沙区坝系建设的相关问题 |
| 7. | On layout of debris - retaining works in coarse sand concentrated coming area in the middle yellow river
试论黄河中游粗泥沙集中来源区拦沙工程体系布局 |
| 8. | Understanding on building large - scale debris - retaining reservoirs in sediment concentrated and coarse sand area on the middle yellow river
对在黄河中游多沙粗沙区修建大型拦泥库的认识 |
| 9. | Analysis on silt - discharge distribution and variation character of sediment - laden and coarse sand producing region in the middle yellow river
黄河中游多沙粗沙区水沙分布及变化特征分析 |
| 10. | Analysis on resources of building large - scale debris - retaining reservoirs in coarse sand concentrated area on the middle yellow river
黄河中游粗泥沙集中来源区大型拦泥库工程建设资源分析 |
