| 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。 |
