| 1. | Weathering makes possible the sorting of rock materials .
风化使岩石物质有可能进行分选。 |
| 2. | Well-sorted quartz sandstones are generally not very abundant .
分选良好的石英沙岩一般并不十分丰富。 |
| 3. | Channel and point-bar sands may be clean and well-sorted .
河道砂和河曲沙坝砂可以是干净的和分选良好的。 |
| 4. | The sand is separated from the silt and clay by wave sorting .
砂粒在波浪分选作用下从粉砂及粘土中分出。 |
| 5. | Light kernels may be removed by a pneumatic or air seperator .
轻的粒籽可以通过空气动力，即气流分选机清理出来。 |
| 6. | The cower unit of the eagle is a wellsorted lithic and glauconitic marine sandstone .
伊格尔砂岩的下部单元是分选良好的岩屑质和海相海绿石质。 |
| 7. | Because deposition is rapid, sorting and stratification are generally not well developed .
因为沉积作用是快速的，分选作用和层理就得不到很好的发展。 |
| 8. | They do, however, grade into sorted and stratified sediments where higher water content has produced conditions transitional to turbid stream flow .
然而，在泥沙含量较大逐渐形成浑蚀流的地方它们也可变为分选和有层理的沉积物。 |
| 9. | Testing and qualification method for gravity separator
重力式分选机试验鉴定方法 |
| 10. | Development on the dielectric separator of cottonseed
介电式脱绒棉种分选机的研制 |
