| 1. | The drag is a force per unit area of the layer .
拖力是流层单位面积的力。 |
| 2. | We must do everything to raise the per unit yield .
我们要千方百计提高单位面积产量。 |
| 3. | Such beds should reduce travelling distance per acre .
这种带状栽植能减少单位面积的周转距离。 |
| 4. | It is characterized by a relatively high production per tree and per acre .
它的主要标志是单株产量和单位面积产量较高。 |
| 5. | There are two main components that contribute to livestock output per unit area under grazing conditions .
在放牧条件下，决定单位面积的牲畜产量，有两个主要因素。 |
| 6. | For a unit of projected area, the loading on a telephone pole or a smokestack will be less than on an i-beam .
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载小。 |
| 7. | Geotextiles - determination of mass per unit area
土工布单位面积质量的测定方法 |
| 8. | What is the acreage of the coffee plantation
这咖啡农场的单位面积是多少？ |
| 9. | Large capacity per unit area , high screening efficiency
单位面积产量大，筛分效率高。 |
| 10. | Geomembranes . determination of mass per unit area
地膜.单位面积质量测定 |
