| 1. | What percentage of breast cancers does this comprise ?
这种癌在乳腺癌中占多少百分比？ |
| 2. | 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。 |
| 3. | The removal of the same percentage of bod will require supplementary chemical treatment .
去除同样百分比的BoD，则需要补加药剂处理。 |
| 4. | It is necessary to enrich the fuel by increasing the percentage concentration of uranium-235 .
必须提高铀235浓度的百分比，使燃料浓集。 |
| 5. | The principal constituents of the atmosphere and their abundances are given in table 13. 1 .
大气的主要成份及所含成分的百分比在表131。 |
| 6. | As the concentration of the influent increases, the removal of the same percentage of bod will require additional facilities .
当进水浓度提高时，去除同样百分比的BOD则需要加大设备。 |
| 7. | When plots of equal size are compared, the corresponding percent occurrence for a taxon is named "constancy" .
如果进行比较的是相同面积的样地，一个种出现的相应百分比就称为“恒有度”。 |
| 8. | When a considerable percentage are illiterate, the whole machinery of government has to take account of the fact .
如果有相当大的百分比都是文盲，整个政府机构对于这样一个事实，应该加以重视。 |
| 9. | These two measures of cyclical variation, percent of trend and relative cyclical residual, are percentages of the trend .
度量周期波动的两个量--趋势百分数和相关周期余数，都以趋势值的百分比表示。 |
| 10. | There may be an association between ambient co levels and the incidence of myocardial infarction or sudden death, or the case-fatality percentages .
环境中一氧化碳含量与心肌梗塞发病率，或猝死率、或与致死病例百分比之间也许存在某种关系。 |
