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- velocity tomographic inversion 旅行时速度层析反演
- The tomographic inversion of the surface layer velocity model with the first break is the important base of the tomographic static correction. 初至波表层速度模型层析反演是层析静校正的重要基础。
- The least square conjugate gradient and odd values decomposition method also can be used to perform tomographic inversion. 研制的最小平方共轭梯度算法和奇异值分解法也可进行同样的层析反演。
- The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing. 研究的最小旅行时射线追踪法可大大减少层析反演的计算工作量并提高射线追踪的精度；
- The paper introduces a new method of refraction tomographic inversion static correction, which can properly calculate the statics resulted from complex near surface conditions. 摘要折射层析反演静校正能够较好地解决复杂近地表引起的静校正量问题。
- The tomographic inversion of near-surface velocities is one of effective approaches to improve the accuracy of static correction in surface-complicated area. 摘要近地表初至层析反演静校正是解决复杂地表静校正问题的有效方法之一。
- This paper introduces the basic theory and main steps of tomographic inversion static correction, including ray tracing and Simultaneous Iterative Reconstruction Technique inversion. 给出了层析反演静校正方法的基本原理和实现过程，包括射线追踪和联立迭代重构法反演。
- Different observation systems cause different influences on tomographic inversion or migration image because of the unique observation that puts source in a borehole and receivers in others. 由于其观测方式独特，在某一井中激发、另一井中接收，选用不同的井间观测系统方式，对层析及演、偏移成像都有很大的影响。
- Straight ray path tomographic inversion 直射线路径层析成象反演
- This problem was effectively solved by using nonlinear first break tomography inversion static method to take the place of the small refraction and uphole. 为此，用非线性初至波层析反演静校正方法替代小折射和微测井技术，有效地解决了长波长静校正问题。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了！
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- Application of refraction tomographic inversion static correction in Kashan Block of Iran 折射层析反演静校正在伊朗卡山地区的应用
- velocity tomographic imaging 速度层析成像
- The velocity of light is about 186,000 miles per second. 光速大约是每秒十八万六千英里。
- The rate of change of velocity with respect to time. 加速度速度相对于时间变化的速率
- An increased velocity is randomly dispersed. 增加的速度任意地四散传播。
