您要查找的是不是：
- The airborne electric resistance mapping technique, lies in the conversion of measured airborne electromagnetic field signal into apparent electric resistance value that reflects underground strata through inversion or graticule transformation technique. 摘要航空电阻率填图是通过反演或量板转换技术把测量到的航空电磁场信号换算成反映地下岩层的视电阻率值。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- The missile is delivered from underground. 这种导弹由地下发射。
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- Moles stay underground most of the time. 钱鼠大部分时间住在地下。
- He went underground to avoid capture. 他转入秘密工作以免被捕。
- The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
- The quickest way to go round the city is by underground train. 在这个城市四处走动最快的办法就是乘坐地铁。
- underground stratum 地底内层
- The mole bored (its way) underground. 鼹鼠在地下挖掘(路)。
- They represent each society stratum. 他们代表各个社会阶层。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- Some miners were trapped underground after the collapse. 塌方后，有些矿工被困在地下。
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- There is an underground car park near the supermarket. 这个超市附近有一个地下停车场。
- He hates the privileged stratum. 他憎恨特权阶层。
- This is a stratum we must win over. 这一阶层，我们是必须争取的。
- The revolutionist eluded capture for weeks by hiding underground. 那位革命者为避免被捕在地下躲藏了几个星期。
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
- He joined the underground to fight against the fascists. 他参加了地下组织与法西斯作战。
