| 1. | The particle radius unit, the micron, is especially common and useful .
粒子半径的单位是微米，微米这个单位尤其普通和有用。 |
| 2. | Particulate matter includes particles from molecular size to greater than 10mm in diameter .
微粒物质包括从分子大小到直径大于10微米的粒子。 |
| 3. | We have found these bands in benzoylbenzoate to occur at 1789 cm－1 and 1727 cm－1 .
我们发现苯甲酐的这些谱带在1789厘米1（559微米）和1727厘米1（579微米）。 |
| 4. | At 10 um the emissivity of the sky is about 0. 1, whereas for a conventional telescope it is 0. 5 .
在10微米处，天空的发射率约为01，而一架普通望远镜的发射率为05。 |
| 5. | Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses .
用普通的短焦距透镜不难得到直径只有几十微米的光点。 |
| 6. | The chloroplasts of plant cells are flattened structures averaging some 7 μm in length and 3-4 μm in width .
植物细胞叶绿体的结构是扁平的，平均长约7微米，宽34微米。 |
| 7. | Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region .
杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米1（625微米）区域也有相似的一组谱带。 |
| 8. | The temperature of the nebula in some places may never have risen high enough to evaporate pre-existing micron-sized interstellar grains .
星云中某些地方的温度可能从未升高到足以使原有的微米级大小的星际尘埃变成气体。 |
| 9. | Pm10 particulate matter with particle size below 10 microns
小于10微米的颗粒物 |
| 10. | Familiar with deep submicron process design rule
熟悉深亚微米工艺设计规则。 |
