| 1. | The fibers lose strength and become brittle .
纤维强度下降，且易断。 |
| 2. | Its intensity is often somewhat diminished .
它的强度常常稍微减弱。 |
| 3. | Can harvests of this intensity be sustained ?
这种收获强度能维持下去吗？ |
| 4. | These materials exhibit low strength .
这些材料具有低强度。 |
| 5. | The intensity pattern varies in an unpredictable way .
强度变动的情况是不可预料的。 |
| 6. | The key material is amply strong .
键材料的强度足够。 |
| 7. | The shear strenth is equal to the cohesion of substance .
剪切强度等于物质的内聚力。 |
| 8. | We call this rise in strength "age hardening. "
这种强度的增加我们称为“时效硬化”。 |
| 9. | The intensity of the coherent light builds up very rapidly .
相干光的强度迅速地增大。 |
| 10. | Zirconium is almost as strong as steel, but lighter .
锆的强度几乎与钢相等，但它比钢轻。 |
