| 1. | Significant changes are seen in the cecum in about 50 percent of the cases .
在约50%的病例中，可看到盲肠有明显变化。 |
| 2. | His "definition" of geometry guided geometrical thinking for about fifty years .
他的几何“定义”指引了几何思想约50年之久。 |
| 3. | It is possible to recover approximately 50% of input virus from any of the tested waters .
从任何供试验的水样中，回收输入病毒约50是可能的。 |
| 4. | Chloroplast ribosomes contain about 50 distinct ribosomal proteins, distributed between the two subunits .
叶绿体核糖体还含有约50种不同的核糖体蛋白，这蛋白分布在两个亚基之中。 |
| 5. | 9v alkaline battery x1 about 50 hours operation
9v碱性电池一只,连续使用约50小时 |
| 6. | It ' s about a fifty - minute ride on the expressway
在高速公路上约50分钟的车程。 |
| 7. | Journey time : about 50 minutes fast ferry
航行时间：约50分钟（快速船） |
| 8. | Length of dinner and show : about 75 minutes reservations required
所需时间：约75分秀长约50分 |
| 9. | It s about 50 minutes to jangfusun fencyworld from the the grand hotel
(从饭店出发约50分到剑湖山) |
| 10. | Annual sales turnover about us 5 billion
年营业额约50亿美圆 |
