低速层的英文

• low velocity layer, lvl
• low-speed layer
• low-velocity layer
• weathering layer

• "低速"英文翻译    low speed; low velocity
• "层"英文翻译    I storey; tier; stratum
• "地表低速层" 英文翻译 :    aerated layer
• "低速层测量队" 英文翻译 :    lvl crew
• "近地表低速层" 英文翻译 :    near-surface low-velocity layer
• "高速层" 英文翻译 :    high-speed bed; high-speed layer; high-velocity bed
• "流速层" 英文翻译 :    velocity layer
• "低速" 英文翻译 :    low speed; low velocity
• "等速层模型" 英文翻译 :    isovelocity layer model
• "快速层离试验" 英文翻译 :    accelerated delamination test
• "循环加速层次" 英文翻译 :    loop speedup hierarchy
• "最大加速层次" 英文翻译 :    maximum speedup hierarchy
• "低速, 慢速" 英文翻译 :    low speed
• "低速泵" 英文翻译 :    low eed pump; low speed pump; low-speed pump
• "低速船" 英文翻译 :    low powered
• "低速带" 英文翻译 :    low velocity layer; low velocity region; low velocity zone; low-velocity layer; low-velocity zone; lowvelocitylayer; lvl; lvz; slow speed band; slow-speed band; weathering zone; zone of low velocity
• "低速挡" 英文翻译 :    low gear
• "低速档" 英文翻译 :    bottom gear(low eed gear); bottom gear(low speed gear); l low; low gear; low or first gear; low-speed
• "低速的" 英文翻译 :    slow-acting
• "低速度" 英文翻译 :    low velocity; low speed◇低速度空投 low velocity drop
• "低速辊" 英文翻译 :    slow roll
• "低速机" 英文翻译 :    low-speed machine
• "低速级" 英文翻译 :    slow speed turbine stage
• "低速流" 英文翻译 :    low-speed flow
• "低速率" 英文翻译 :    low speed

• In the earth's interior there are similar channels or low-velocity layers .
  在地球的内部有相似的通道或低速层。
• Such low velocities are usually seen only near the surface in a zone called the weathered layer or the low-velocity layer .
  这样低的速度通常只在地表附近称为风化层或低速层的地带中见到。
• The layer will finally disappear when the slope of the geotherm is too low to produce interstitial fluid at any depth .
  当地热斜率太低，以至任何深度上都不能产生空隙流体时，低速层将最后消失。
• 2 ) forward modeling method of refraction first - break in lateral varying velocity media . for layered media , a new forward modeling method of refraction is presented . for more complex near - surface conditions such as mountain areas , a new improved ray tracing method based on shortest path assumption is studied , it has higher accuracy and faster computing efficiency than conventional ones . the method can be used for the forward modeling of complex near - surface media
  而对于折射面起伏较大、低速层和折射层速度变化较大的复杂近地表情况，提出了一种改进的最短路径初至波射线追踪方法，该方法精度高，计算速度快，适用于任意二维复杂近地表介质(如山地)的初至折射波的正演计算。
• There is a north - north - east negative anomaly belt of aerial magnetism in the middle - east part of the basin , which could be displayed by the aerial magnetism of commutative field , upwardly continuation , lvt in earthquakes , the experimentation of granite liquation ( demagnetization ) , the distribution of neozoic era volcanic rock , earthquake , hot spring and ground feature . the anomaly shows the blocking in east - west direction , and it is also associated with intense activity of deep heat interaction and the development of the crust - mantle mixed layer in the north qiangtang
  从区域航磁、向上延拓、地震低速层、花岗岩熔融(退磁)实验、新生代火山岩的分布、地震、温泉、地貌等发现，盆地中东部存在一北北东向航磁负异常带，既显示出东西分块，也与北羌塘深部热力作用强烈活动、发育“壳幔混合层”有联系。
• Solving the static correction problems under complex near - surface conditions is a systematic engineering . first , careful field weathering investigation must be done , then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods , finally , reflection statics methods are used iteratively to solve the residual statics problems . to solve serious static correction problems in complex near - surface areas of western china , different refraction first - break statics methods are studied in this thesis . the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly , it lays a good theoretical foundation for later statics method studies
  本文针对目前西部油气勘探中迫切需要解决的复杂地表区静校正技术难题，对初至折射波解决二维和三维长、短波长静校正问题的正反演方法进行了深入的研究和探讨，研究内容主要包括( 1 )水平层状和倾斜界面折射波的传播规律，为后续的折射静校正方法研究奠定理论基础； ( 2 )二维复杂层状介质地震折射波正演方法，该方法可适用于折射面起伏不大、低速层和折射层速度变化不大的情况。