通过浅水域时，要常用回声仪测深。
给出了实测深度谱和分层成像结果。
The measured depth spectrum and stratified images are presented.
测深仪换能器船台安装和水密性检查。
Inspection installation and water tightness transducer of echo sounder on berth.
激发极化法的探测深度可达数千米深。
The IP method can probe to subsurface depths of thousands of meters.
造船工业。带自动阀的测深管测头。阀体详图。
Shipbuilding . head of sounding pipes with self - acting valve . details of body.
相比于监测深海的油柱，监测低氧区就简单多了。
It is easier to test for low oxygen levels than to find the oil plumes far below the surface.
这项钱德拉的研究要比先前的X射线观测深入很多。
This Chandra study is much deeper than previous X-ray observations.
这项钱德拉的研究要比先前的X射线观测深入很多。
ThisChandra study is much deeper than previous X-ray observations.
张量分析在大地电磁测深法勘探中有许多重要的应用。
There are many great applications of the tensor analysis in survey with the magnetotelluric sounding method.
电磁测深数据是地下地质体对电磁波传输特性的综合反映。
The electromagnetic sounding data is the synthetic reflection of the electromagnetic wave about the underground geo-objects.
因此，适宜于折射及宽角度反射地震测深剖面的资料处理。
Therefore, this method is suitable for the data processing of refraction and wide angle reflection profiles.
通过一托浅滩时，要一直测深校时水深及海面下多变的沙纹。
When passing One Fathom Bank, check the depth and variable sand waves below the sea level all the time by echo sounder.
结果表明，在合适条件下MT方法的探测深度可达几千公里。
The results show that in proper condition detecting depth is several thousand kilometers with MT method.
驱动电路和测深电路对于水声靶标系统而言同样是不可或缺的。
Both the driving circuit and the fathoming circuit are also essential to the UATS.
核磁共振测深方法是目前唯一直接探查地下水的地球物理新方法。
Nuclear Magnetic Resonance Sounding method is the only geophysical new method of directly detecting underground water at present.
在海洋测深过程中，回声测深仪波束角效应使记录的测深图像失真。
In bathymetric survey, the record seabed image is distorted due to the angular beam width of an echo sounder.
多波束测深系统中，相位检测法是实现超宽覆盖测量的关键技术之一。
In a multi, beam bathymetry system, phase detection is a key for achieving super, wide coverage.
用这种方法求出的线性滤波系数，对电测深曲线的解释结果有直接影响。
The linear filtering coefficient obtained by this method can directly in - fluence the interpretation result of electric sounding curve.
通过对计算结果的分析，在理论上说明了线源频率域近区测深的可行性。
It shows in theory that the frequency domain sounding in near zone of the line current source is possible.
回声测深仪在导航仪器中的地位在下降，其原因是它存在着较多的误差。
The echo sounder is now gradually out of use in navigation, because it has many errors.
华南沿海众多的地震测深剖面揭示出地壳不同深度上存在着壳内低速层。
Many seismic profiles in South China have demonstrated that low-velocity layer generally exists in the middle crust.
下雾时要叫我，鸣放汽笛，动用测深仪，启动一次雷达不要超过20分钟。
Call me when the fog set in. Sound regulation whistle, attend to echo sounding and start radar at an interval not more than 20 minutes.
由于电磁信号在地下传播时不断衰减，瞬变电磁测深法有一个最大探测深度。
The transient electromagnetic method has a maximum depth because of continuous attenuation by transmission of electromagnetic signal in underground.
在大地电磁测深法中，曲线类型的分析划分是资料解释流程中相当重要的一环。
In magnetotelluric sounding method, the analysis and partition of curve types is a very important step in the data processing.
本文所述工程实例开始设计应用视电阻率测深来探测工程区的岩溶裂隙发育情况。
The engineering in this paper case commences designing to apply apparent resistivity in detection of karst cracks developed.
瞬变电磁测深的偏移成像方法技术的研究，是目前在该领域研究的焦点和前沿课题。
The study about migration imaging method in electromagnetic sounding is the focus and the advanced subject in the field.
远参考法可以提高大地电磁测深方法的适应能力，有利于解释精度的改进和工效的提高。
Remote reference method can be used to improve the applicability, the interpretation accuracy and the operation efficiency of magnetotelluric sounding method.
简要介绍了多波束测深系统的仪器安装和校准方法，分析了影响多波束测深精度的因素。
The instruments installation and calibration of the multibeam sounding system are briefly introduced and the influence factors of the multibeam sound system are analyzed.
必要的地方，在管子顶部安装油密或水密青铜测深管头或测深甲板件，同时标注舱室名称。
Pipes to be fitted with oil or watertight bronze sounding cap or sounding deck piece where necessary on tops, and the name of the tanks to be marked on.
必要的地方，在管子顶部安装油密或水密青铜测深管头或测深甲板件，同时标注舱室名称。
Pipes to be fitted with oil or watertight bronze sounding cap or sounding deck piece where necessary on tops, and the name of the tanks to be marked on.
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