| 1. | ρ is the mass density of the material.
为材料的质量密度。 |
| 2. | There is a greater density of household goods .
家用商品的密度更大了。 |
| 3. | Mercury has a much greater density than water .
水银的密度比水大得多。 |
| 4. | This wave of excess density is sound .
这种过剩密度的波就是声波。 |
| 5. | Density exceeded 100 nests per mile .
丝巢密度超过每英里100巢。 |
| 6. | The density logger consists of a radiation source .
密度测井仪包括辐射源。 |
| 7. | Densities presumably can be probed by radar .
利用雷达也许还能探测出密度。 |
| 8. | The population density is evened out .
种群密度亦趋于均匀化。 |
| 9. | The range of densities of interest is about 3. 5 .
有用的密度范围为35左右。 |
| 10. | The entropy density is constant ahead of the shock .
冲击波前方的熵密度是恒定的。 |
