| 1. | Prediction is required on two levels . 在两个勘探阶段上需要进行预测。 |
| 2. | He is busy with proving up a coal deposit . 他正忙于勘探煤层。 |
| 3. | Oil exploration is inherently probabilistic . 石油勘探本来就是带有概率性的。 |
| 4. | Many found gold in the hills of california . 许多勘探者在加利福尼亚山区发现了黄金。 |
| 5. | A big program of oil exploration has begun offshore . 一个大规模的石油勘探计划正在近海展开。 |
| 6. | Seldom are complete analyses made except in exploratory work . 除勘探工作外很少进行全面分析。 |
| 7. | He spent a year prospecting for the elusive metal . 他花了一年的功夫去勘探那种很难到手的金属。 |
| 8. | The spacing is determined by the desired depth of investigation . 电极距由所要求的勘探深度决定。 |
| 9. | Geophysical exploration is a relatively new area of technology . 地球物理勘探是一个较新的技术领域。 |
| 10. | The prospecting team has traversed the length and breadth of the land . 勘探队踏遍了祖国的山山水水。 |