| 1. | The vegetables store well at temperature below 20 .
这些蔬菜在20摄氏度以下能够很好地贮藏。 |
| 2. | These vegetables store in a wharehouse at temperatures below 20 .
这些蔬菜贮藏在20摄氏度以下的仓库里。 |
| 3. | Business history split off from economic history in the u.s.a. in 1920s .
在20年代美国又将企业史从经济史中分化出来。 |
| 4. | In the 20th century, literary source criticism has been supplemented by form criticism .
在20世纪，文学的出处考据补充进了形式考据。 |
| 5. | Yet oxygen gas did not begin to accumulate in the atmosphere until about 2 billion years ago .
但是大约在20亿年前，氧气才开始在大气层中积累。 |
| 6. | Increasingly in the twentieth century international law is being declared by judicial decision .
在20世纪国际法越来越多地得到司法判决的承认。 |
| 7. | Carl akeley , the american naturalist , led two expeditions in the nineteen-twenties .
美国博物学家卡尔爱克利在20世纪20年代率领过两次考察队。 |
| 8. | Many plant-borne protease inhibitors are small proteins with molecular weight under 20, 000 daltons .
许多植物性蛋白酶抑制剂的分子量都在20，000道尔顿以下。 |
| 9. | At a depth of twenty or thirty feet there is but little variation from the mean temperature of the year .
在20英尺或30英尺的深度，每年的平均温度只有极小的变化。 |
| 10. | The earliest work with plasmas was that of langmuir, tonks, and their collaborators in the 1920's .
在20世纪20年代，朗缪尔、汤克斯及其共事者最先从事有关等离子体的研究。 |
