| 1. | Science and technology are no.1 productive forces . 科学技术是第一生产力。 |
| 2. | Agroecosystems are often highly productive . 农业生态系统通常具有很高的生产力。 |
| 3. | Improved productivity justifies an increase in wages . 提高了生产力理应增加工资。 |
| 4. | It represents productive power that is required in any enterprise . 它是任何企业所需要的生产力。 |
| 5. | Relations of production must conform to the level of productive forces . 生产关系必须适合生产力。 |
| 6. | The long-term perspective and challenge is one of sustained growth of productivity . 长期预测和挑战是一个有关生产力持续增长的问题。 |
| 7. | Incentives can raise productivity and offer bountiful opportunities for a better life . 奖励能够提高生产力,并为更好的生活创造大量机会。 |
| 8. | Forestry may be the branch of agriculture with the greatest potential for increases in productivity . 林业可能是农业中提高生产力潜力最大的一个分支。 |
| 9. | Weather records constitute another widespread source of data that can be brought to bear on the problems of regional productivity . 气象记载成为地区生产力问题有关资料的另一个广阔来源。 |
| 10. | the productivities of temperate woodlands and shrublands appear to be mostly between 250 and 800g//year. 温带的疏林地和灌木群落的生产力多数在250-800克年范围内。 |