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- The data acquisition system (ob-servation system, ground seismic source and borehole seismic detector) and processing methods (ray tracing proc-essing and tomography imaging) are discussed. 数据采集从震源和检波器两个方面优化，选用激发能量强、频率高、成本低、效率高的震源，以及灵敏度高、抗噪能力好的检波器；
- borehole seismic logging of rock mass 岩体地震测井
- cross borehole EM wave tomographic method 电磁波CT法
- cross borehole resistivity survey 跨孔电阻率法
- Application of Artificial Fracture Real Time Monitoring Technology with Borehole Seismic Receiver in Low Permeability Gas Well 潜入式人工裂缝实时监测技术在低渗透气井的应用
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- They are probing into the cause of the crime. 他们正在探究犯罪的原因。
- He was asking probing questions. 他提出了一些盘根究底的问题。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
- A passage made by digging or probing. 通道挖掘或探测而成的道路
- Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
- borehole seismic logging 地震测井
- Passengers mustn't cross the rails. 乘客不得横过铁路。
- You had better cross out the last name. 你最好把最后一个名字划掉。
- borehole seismic observation 井下测震
- Don't be cross with the child for being late. 不要对迟到的孩子发脾气。
