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- airborne magnetic survey 航空磁测
- The airborne magnetic gradiometer came into use in the middle 1960s. 航空磁梯度仪在六十年代中期交付使用。
- Airborne magnetic data was used to study complex geological structures in the Dali-Ruili area. 摘要大理至瑞丽铁路处于青藏高原和云贵高原的结合部,区内地质构造复杂。
- Aeromagnetic data downward continuation to sea level instead of marine magnetic survey data can improve use capability of survey data. 采用航磁数据向下延拓到海面代替船测数据,可提高磁力测量成果的综合利用率。
- The application of physical prospecting techniques of globe such as the subbottom profile probing,earthquake image exploration;side scan sonar and magnetic survey etc. 通过工程实例,论述了浅地层剖面探测、地震映像勘探、侧扫声纳、磁力测量等地球物理勘探技术在海域工程勘探中的部分应用,并简要分析物探方法的适用范围和缺陷。
- The magnetic directional system of logging tools used in the boreholetricomponent magnetic survey in CCSD main hole, is different from the directionalsystems that have been used. 在中国大陆科学钻探主孔进行井中三分量磁测所采用的是仪器自身的定向系统,该系统不同于一般的垂向和轴向定向系统。
- Methods used have been gravity,ground and airborne magnetics,ground and airborne electromagnetics,IP/resistivity,downhole geophysical logging,and reflection seismic. 使用的物探方法有重力、地面和航空磁法、地面和航空电磁、IP/电阻率法、钻孔物探测井及地震反射。
- Airborne survey (airborne radioactivity and airborne magnetism) 航测(航放和航磁)
- Magnetic surveys are useful in oil exploration only for determining basement depths so as to cast light on the existence and geometry of sedimentary basins. 磁力测量在石油勘探中的用途仅仅是为了确定基底深度,以便查明沉积盆地的存在及其几何形态。
- High-accuracy ground magnetic survey 高精度磁法勘探
- Some metallic ores are found in the margins of batholiths and other intrusives which can be detailed under drift by magnetic surveys. 有些金属矿是在岩盘与其它侵入体的边缘找到的,而磁力测量能够确定这些冰碛层覆盖之下的岩盘和侵入体。
- Smoking is forbidden until the plane is airborne. 飞机升空时禁止吸烟。
- three component borehole magnetic survey 井中三分量磁测
- high - accuracy ground magnetic survey 地面高精度磁法测量
- high - precision magnetic survey 高精度磁测
- marine gravity and magnetic survey 海洋重磁测量
- the borehole three-component magnetic survey 井中三分量磁测
- ground high-precision magnetic survey 地面高精度磁测
- large - scale high - precision magnetic survey 大比例尺高精度磁测
- The airborne troops spearheaded the crossing of the river. 空降兵在渡河作战中担任先导。