| 1. | The exponent is a fraction or negative number .
指数是一个分数或负数。 |
| 2. | Fractions of the phosphor are easily lost .
部分磷光体容易丢失。 |
| 3. | Open the window a fraction , please .
请把窗户打开一点。 |
| 4. | Earthworms comminute the mineral fraction of soils .
蚯蚓粉碎土壤中的无机物碎片。 |
| 5. | It needed only a fraction of a second to behead him .
砍去他的脑袋只要短短的一瞬。 |
| 6. | This is called the partial fraction expansion of p/q .
这叫做pq的部分分式展开式。 |
| 7. | Antibodies were part of the r-globulin fraction of serum .
抗体是血清r-球蛋白的一部分。 |
| 8. | Often it is a very small fraction of the main output .
它在主要产品中通常只占极小的比重。 |
| 9. | Only a fraction of the a ions are in tetrahedral sites .
只有一部分A离子处在四面体的位置上。 |
| 10. | This last small fraction of soil is most difficult to detect .
这些最后残留的少量油星很难探测。 |
