| 1. | Information will be available for the main performance traits .
主要生产性能的记录是可以利用的。 |
| 2. | In comparisons of this type the sole use of performance data can be misleading .
在这类比较中单使用生产性能数据就会使人误解。 |
| 3. | Capital may be valued at historic cost in terms of past expenditures on productive assets .
资本可以按照生产性资本的过去费用的过去成本来进行估价。 |
| 4. | Generally, manufacturing goods, such as plant and equipment have been exempted from this tax .
一般说来，对于生产性商品如厂房和设备，免征这一税款。 |
| 5. | In many countries the loss of productive topsoil has contributed to growing food deficits .
在许多国家里，生产性表土的流失已导致日益严重的粮食短缺。 |
| 6. | Economics is the study of how people choose to use scarce or limited productive resources .
经济学研究人们如何进行抉择，以使用稀缺的或有限的生产性资源。 |
| 7. | The largest 200 corporations hold between 20 and 25 percent of the income-producing wealth of the nation .
最大的二百家公司拥有全国生产性财富的百分之二十至二十五。 |
| 8. | This usually means a wider spacing than would be used in an ordinary commercial nursery for the same species .
这通常意味着要比正常生产性苗圃的同样树种采用较大的株行距。 |
| 9. | The average steam production in the now existing commercial natural steam fields is around 30 tons per hour per well .
目前存在的生产性天然气田的平均蒸气产量为每井每小时30吨左右。 |
| 10. | It is essential that improved material obtained through recurrent selection be introduced into production orchards as soon as possible .
重要的是将经过轮回选择得到的改良种苗尽快地应用于生产性种子园。 |
