| 1. | Only cursory surveys have been made .
勘测工作极为草率。 |
| 2. | Multichannel sparker recording has recently come into use for shallow-penetration .
多道火花发生器记录系统，最近开始已在浅层勘测中应用。 |
| 3. | They are surveying, charting and analyzing various possible sites of mines in the desert .
他们正在对沙漠中各种矿藏可能存在的地点进行勘测、制图和分析。 |
| 4. | Use of air photographs in engineering shows an increasing tendency, similar to that in petroleum exploration .
在工程勘测中使用航空象片和石油普查中一样日趋增多。 |
| 5. | The nuclear-magnetic-resonance magnetometer first went into service in airborne prospecting during the middle 1950s .
核磁共振磁力仪第一次进入航空勘测是在五十年代中期。 |
| 6. | Soil ; exploration by excavation and borings ; sampling
土壤.挖掘和钻探勘测与取样 |
| 7. | They surveyed the east coast from a helicopter
他们从直升飞机上勘测了东海岸。 |
| 8. | Reclaimed plastics piles for survey and boundary
勘测和边界用的再生塑料标识桩 |
| 9. | Geotechnical investigations for civil engineering purposes
土木工程的地质勘测 |
| 10. | Very little forestry is left unexplored nowadays
如今未经勘测的森林是少之又少了。 |
