| 1. | The case-fatality percentages were higher in the highly polluted areas .
致死病例的百分比，在重污染区较多。 |
| 2. | Differences in case fatality between high and low pollution areas could be due to many factors other than co concentrations .
轻、重污染区致死病的方面的差别可能是一氧化碳浓度以外的许多因素所造成的。 |
| 3. | It is interesting to note that the frequency of bronchitis and pneumonia in great britain has been correlated with area of residence in a polluted area and with social class .
值得指出的是，在英国，支气管炎和肺炎的发病率与污染区域中的居住地区和所属社会阶层有关。 |
| 4. | We must expand the polluted area
我们必须扩大污染区域 |
| 5. | We must expand the polluted area
我们必须扩大污染区域 |
| 6. | And enlarge the polluted area
扩大污染区域 |
| 7. | And enlarge the polluted area
扩大污染区域 |
| 8. | Sewage generated from villages would pollute the local and overall environment
乡村产生的污水会污染区内环境，以至整体环境。 |
| 9. | We make a little place as n - pollution area and a cup with full of water as n - pollution
我们把四张椅子用纤维围成一个区域，作为核污染区。 |
| 10. | In this paper , objective of sampling is to determine where " hot spots " are present
摘要本文探讨采样策略在搜寻污染场址中高污染区之能力。 |
