However, the estimated formation pressure from seismic velocity data is not unique due to the errors and limited resolution of the velocity spectrum, and is also unstable owing to complex structures. 由于地震速度谱资料本身存在误差,又受分辨率的限制,应用地震速度谱资料预测地下地层压力具有多解性;受地下地层变化和构造复杂等因素的影响,预测结果的稳定性较差。
Ball-beam system is a nonlinear and unstable system. The dynamic description of the ball rolling on the beam is quite complex. 球杆系统是一个非线性不稳定系统,其中小球在导轨上滚动过程的动态描述十分复杂。
As a dynamic, unstable and complex linguistic phenomenon, pragmatic presupposition is usually used in literary works. 作为一种动态的、不稳定的、复杂的语言现象,语用预设策略在文学作品中常有运用。
The constant-average-acceleration method is unconditionally stable. But it is unstable in general when used in complex damping vibration equations. 平均常加速度法是无条件稳定的,但用它来解复阻尼振动方程时,出现了不稳定现象。
In order to reduce boulders, toe rocks and unstable slopes for surface mining in complex geological and topographical conditions, the study on the mechanism of rock blasting, the selection of blasting scheme and the optimization of drilling-and-blasting parameters are carried out. 在露天矿山岩土工程爆破中,为减少大块率高、大面积根底、边坡失稳等现象,进行了特殊地质地形条件下的岩石爆破机理的研究、爆破方案的选择及穿爆参数的优化。
Unstable Heat Transfer Calculation for Liquid in Stirred Vessels with Outer Exchangers in Complex Flow 外换热器为复杂流向的搅拌容器中液体不稳定传热计算
Studies on the Application of Mixed Analytical Enhancing Agents on the Unstable Colored Complex Systems ⅰ. Cd(ⅱ)-GBHA System 混合增效分析试剂对不稳定配合物显色体系应用探讨&1Cd~(2+)-GBHA体系
Specifically, the stability of synchronized state in the network with linear driving coupling is investigated, the stable region and unstable region on the complex eigenvalue plane are established and the case of B-A network based Lorenz system is analyzed. 同时,对该网络的同步态的稳定性做了详尽的研究,以基于Lorenz系统下的B&A网络模型为例,建立了复特征平面上的稳定域与不稳定域。
It is easier to understand the formation of the strong updraft in the case of an unstable stratification but it is more complex in describing the process of the downdraft inside the cloud. 在条件不稳定大气中,一支强湿上升气流的形成是很容易理解的,但一支湿下沉气流的发生则比较复杂。
These unstable factors play a key role in the real estate investment. The real estate investment is facing the complicated risky factors which can cause severe consequence, because of the characteristic of the real estate investment-long period large amount and complex factors. 由于房地产投资固有的周期长、投资额大、影响因素复杂等特性,房地产投资面临的风险因素也特别复杂,风险因素引起的后果也特别严重。
Currently, our society is stable in general, but the degree of social equity and harmony was not enough ideal and unstable factors still exists. The conflicts of interest within people are complex. 目前,总的来说,我国社会是稳定的,但社会的公平程度与和谐程度还不够理想,有些方面潜伏着不稳定的因素,人民内部的利益矛盾错综复杂。
But brushless DC motor has the same problem of unstable speed and torque ripple as traditional motor. And it has complex, non-linear characteristics of strong coupling. 但无刷直流电机和传统电机同样存在着速度不稳定、转矩脉动等情况,并且本身具有复杂的、强耦合的非线性的特点,因此如何提高调速控制的效率是该研究领域的重要目标。
At present, the situation of international economy as a whole is at the recession bottom phase, therefore the international and domestic economic situation is still, to some extent, unstable and complex. 目前国际经济总体来说是处于衰退筑底阶段,因而国际国内经济形势还会在一定程度上不稳定和复杂多变。
The natural unstable two-wheeled vehicle is a special kind of wheeled mobile robot, and also is an example of complex system. 两轮不稳定小车是一种特殊轮式移动机器人,是复杂系统的一个例子。
The market of stock index futures is an unstable, open and complex system with nonlinear dynamical variation. 股票指数期货市场是一个不稳定的、开放的、非线性动态变化的复杂系统。
Compared to other methods based on the energy function, the methods provided in this dissertation need fewer assumptions and can avoid calculating the unstable equilibrium points. The estimated stability region can be expressed analytically, and the complex calculation is avoided as well. 2. 不同于传统的基于能量函数法的估计方法,此方法具有假设条件少,避免计算不稳定平衡点、稳定域可以用简明的数学公式表示,无需复杂的计算等优点。
Chapter Five summarizes the preceding chapters and points out that to construct an ideal diasporic identity, one need to undergo a liberating experience which is unstable, complex, and on-going. 第五章是总结部分,指出理想的流散身份构建必将经历一个复杂的,动态的过程。
At present there are many ways to restore the disulfide, but the most of the catalysts are unstable in the water and air. Meanwhile they need the same amount of metal complex and give the product in low yield. 目前催化还原二硫醚的方法很多,但一般的催化剂对水和空气不稳定、而且需要等量的金属配合物、产率低。