| 1. | A hectare is equal to 15 mu .
一公顷合十五市亩。 |
| 2. | "there are four acres of roof," charlotte told him .
“屋顶的面积有四公顷，”夏洛蒂告诉他。 |
| 3. | The output seldom exceeds ten fat lambs and a fat beast per ha .
每公顷的产量很少超过十只肥羔羊和一头肉牛。 |
| 4. | He suggests 87 heating units/hectares for a typical fruit orchard .
他建议一个标准的果园每公顷要有87个加热点。 |
| 5. | Five men per ha. were required for rose production, 6 or 7 men for carnations .
种植玫瑰每公顷需5个男劳力，香石竹需6、7个男劳力。 |
| 6. | Such fees can be flat-so many dollars a hectare-or they can be broadly differentiated by income levels .
这类费用可以统一标准--每公顷若干美元--或者可以按收入水平加以划分。 |
| 7. | West of the mississippi river alone, about 18 million hectares, once thought useless, have been reclaimed through irrigation projects .
单是密西西比河以西就有一千八百万公顷一度被视为无用的土地，通过灌溉工程现已得到开垦。 |
| 8. | An average summer output in excess of 900 kg. liveweight per ha could not have been obtained if there had been a complete reliance on clover nitrogen .
要是完全依靠三叶草的氮，要在夏季获得每公顷草场900公斤以上的活体增重，是不可能的。 |
| 9. | The effective irrigation area is 72 . 74 million mu
农业有效灌溉面积479万公顷。 |
| 10. | Many things will make the 1ht remarkable
很多因素使1公顷射电望远镜非同寻常。 |
