| 1. | Such a range of variation is termed a cline .
这样一个变异区域称为梯度变异。 |
| 2. | I can only assert that instincts certainly do vary .
我只能说明本能确有变异 |
| 3. | These trees were quite variable .
这些树变异很大。 |
| 4. | The fracture regime changes .
断裂情况有变异。 |
| 5. | Darwin too had noticed such changes, or "sports" .
达尔文也曾注意到这类突然的变异--“巨变”。 |
| 6. | There are innumerable variations in the arrangement of blood vessels .
血管的排列有无数的变异。 |
| 7. | Multiple, rudimentary, and lowly organized structures are variable .
重复的、残留的及低等的构造易于变异。 |
| 8. | Those variants will be preserved in the "struggle for existence" .
这些变异将在“生存竞争”中被保留下来。 |
| 9. | In more northern plantations the total range of variation is less .
在北部的试验栽植点则总的变异幅度较小。 |
| 10. | Presumably these are caused by the existence of tautomeric forms .
这可能是由于这些化合物存在互变异构体所致。 |
