| 1. | It was wrong to seek the secret of creation of matter . 探索物质成因的秘密就是错误的。 |
| 2. | They have cleared up the cause of the physical change . 他们已经搞清楚这个物理变化的成因。 |
| 3. | Two schools of thought regarding the origin of petroleum exist . 关于石油的成因有两大学派。 |
| 4. | The origin of these deposits is still not rigorously demonstrated . 矿床的成因并没有被严格地论证过。 |
| 5. | The obliquity of the ecliptic is the fundamental cause of the seasons . 黄道的倾角是季节的基本成因。 |
| 6. | Geomorphology deals with the origin of landscapes and changes in them . 地貌学研究地形的成因及其变化。 |
| 7. | There seems to be as many exceptions as examples for this generation . 作为这一成因实例来讲那里似乎仍有许多例外。 |
| 8. | It is necessary to guard against hasty conclusions on the origin of anomalies . 对于异常的成因,不要草率地下结论。 |
| 9. | These sandstones are interpreted as having originally been point bar deposits . 这些砂岩在成因上被解释为点沙坝沉积。 |
| 10. | Radiogenic heat, even from a fairly deep-seated uranium orebody, could be measured . 即使铀矿体埋得足够深,它的放射成因热也能被测出。 |