root operator
英 [ruːt ˈɒpəreɪtə(r)]
美 [ruːt ˈɑːpəreɪtər]
【计】根算符
双语例句
- The CONNECT_BY_ROOT operator is used in this example to return the manager's employee number for the appropriate subordinate.
在此示例中，使用了CONNECTBYROOT运算符来返回经理的相应下属的雇员编号。 - To avoid hard coding and duplicating hardcoded values, the CONNECT_BY_ROOT operator can be used, which always returns the value of its argument as it was during the initial step.
要避开硬编码和重复的硬编码值，可以使用CONNECTBYROOT运算符，它总是返回其参数值，就像在初始步骤中那样。 - Getting pre-stack time migration travel times from the single square root operator How much is a one-way ticket to Boston?
利用单程波算子进行叠前时间偏移走时计算（英文）到波士顿的单程票多少？ - Starting from the double square root ( DSR) based wave equation, and based on the survey-sinking concept and the perturbation theory, we introduce a prestack depth full migration operator and an approach to construct common imaging gathers ( CIGs).
从双平方根（DSR）形式的波动方程出发，基于沉降观测概念和地震波扰动理论，介绍了深度域的DSR全偏移算子及共成像道集的生成方法。 - A prestack forward modeling algorithm is developed by using wa-ve equation theory and double square root operator equation.
本文根据波动方程理论，利用双平方根算子方程构造了一种叠前的正演模型算法。 - We characterize Hp spaces associated with square root operator by using maximal functions.
本文利用椭圆算子的平方根所生成的热核给出了H~p空间的极大函数刻画。 - Based on the approximation of square root operator, a new hybrid migration method with high precision is derived. The method can be implemented numerically through splitting technique.
根据平方根算子的近似，推导了一种新的高精度混合法偏移方法，用分裂法即可进行计算。 - Two-Dimensional Wide-Angle Finite Difference Beam Propagation Method Based on the Square Root Operator
基于平方根算符的2维广角有限差分波束传播法 - A differential operator arisen from an Euler-Bernoulli beam equation under boundary shear force feedback control is studied. It is shown that the root subspace of the system operator is complete in the energy Hilbert space.
讨论了一个在边界上有剪力反馈控制的Euler-Bernoulli梁方程，证明了其广义本征函数生成的根子空间在能量Hilbert空间中是完备的。 - This paper recommends single valued iteration method for solving the root. Used in solving for the root of difference deconvolution operator, this method can not only speed up computing but also guarantee the accuracy of finite difference migration.
本文介绍一种一点迭代求根法，用这种方法计算差分反褶积算子的根，不仅提高了计算速度，而且还能保证波动方程有限差分偏移的精度。 - In the thesis, the fundamental formula of FFD method derives from the square root that is approximated by a continued fraction expansion in the one-way wave equation. Optimizations of the parameters of the finite-difference operator improve the validity of the method.
本论文用连分式近似单程波波动方程中的平方根导出FFD算法的基本公式，并对FFD算法中的有限差分算子进行了系数优化，进一步提高了计算的有效性。 - For CMP gather seismic data, in common midpoint-half offset distance, the prestack double square root operator could be used to continuate and strip layer by layer.
对于CMP道集地震数据，在共中心点-半偏移距中，可以利用波动方程的叠前双平方根算子，实现延拓，进行层层剥离。 - Solving for the root of difference deconvolution operator by single valued iteration method
用一点迭代法求差分反褶积算子的根 - Meanwhile, since the state has recognized some of the original organizational principles of the villagers, township government which represents state authority at grass root level would be fulfilling the role of operator and supervisor of those concrete actions.
与此同时，国家也承认了村民原有的组织原则，代表国家的乡镇政府是具体行为实施的操作员和监督员。