| 1. | Cheapness is one of the main attractions of polyester resins .
廉价是聚酯树脂受到欢迎的主要原因之一。 |
| 2. | But it is still the major cause of slowness in using operation research .
然而，这仍是作业研究应用缓慢的主要原因。 |
| 3. | The main problem is not that there is a multitude of small advertisers .
这种现象的主要原因不在于有大量的小广告户。 |
| 4. | Flux entrapped in the joints is the principal cause of low strength or failure .
裂缝中封存有焊药是强度不足或断裂的主要原因。 |
| 5. | And the mainspring of it all was－the greed and selfishness of one man .
而这一切的主要原因就是那么一个人的贪欲和自私自利之心。 |
| 6. | The main reason clarke is opposed to tunipah is that he owns property near there .
克拉克反对图尼帕的主要原因是他在那附近有产业。 |
| 7. | The chief reason for this choice was that the pi was mathematically tractable .
这样选择的主要原因是这种性能指标在数学上便于处理。 |
| 8. | Enrichment and sedimentation are the principal contributor to the aging process of lakes .
富饶和沉淀是导致湖泊老化过程的主要原因。 |
| 9. | The primary reason for the late development of this field was the lack of sensitive detectors .
这个领域发展缓慢的主要原因是缺乏灵敏的探测器。 |
| 10. | The primary reason is undoubtedly the rapid improvement in health conditions throughout the third world .
主要原因无疑是整个第三世界卫生条件的迅速改善。 |
