| 1. | Recovery of valuable dusts and fumes for economic reasons is also a major application . 从经济的角度回收有价值的粉尘和微尘也是其主要的应用方面。 |
| 2. | We suspect that this change, a technical improvement, was also made for economic reasons . 我们猜测,这一改变一或者说是一种技术革新-也是出于节约的缘故。 |
| 3. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 19世纪时一部分地区有全年教学计划,主要是出于经济原因。 |
| 4. | Some parts of the country had year - round programs in the ninety ( 19th ) century mostly for economic reasons 国家一些地区在19世纪开始全年教学主要是由于经济原因。 |
| 5. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 在19世纪,美国一些地区施行全年制教育工程,主要是因为经济原因。 |
| 6. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 美国部分地区在十九世纪就实施全年的教育制度,尤其是为了经济原因。 |
| 7. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 美国部分地区19世纪就已经实行了全年制计划,这主要是由于经济上的原因。 |
| 8. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 美国部分地区在19世纪实施过全年制教育计划,这主要是由于经济原因造成的。 |
| 9. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 在19世纪,美国的一些地区有过全年制教育工程,这大部分是经济原因造成的。 |
| 10. | Some parts of the country had year - round programs in the 19th century , mostly for economic reasons 在19世纪,美国的一些地方就实施全年制教育模式,这主要是由于经济方面的原因。 |