查询词典 quasi-permanent

Therefore, an un-derstanding of the maintenance of the stationary waves is a prereq-uisite for a thorough understanding of the low frequency transients.The Eliassen-Palm cross-section and the three-dimensional waveactivity flux, which was derived by Plumb (1985) for the linear quasi-geostrophic stationary waves in a zonal flow, are ...

分析结果表明，Plumb通量和EP剖面图，不仅可以用来诊断波作用在三维空间的传播、波动与纬向平均气流之间的相互作用，而且也可以用来诊断非线性作用的显著性，在利用它们对于观测资料进行诊断分析时，应当充分注意到非线性作用的影响。

It was a typical South China quasi-stationary precipitation which was associated with the stationary front, low-level wind shear and low-level jet.

这是建立在静止锋、低空切变线和低空急流等系统基础上的一次典型的华南准静止锋降水。

Design of Experiments and Quasi-Experiments Statistical designs for the estimation of the effects of treatments in both controlled experiments and observational studies.

实验和准实验设计：包括：实验和准实验设计：和准实验设计观察性试验和控制性试验中的处理效果估计的统计设计。

The course covers the following topics: overview of quantitative research designs including survey research, experimental and quasi-experimental research, and correlational research; measuring of reliability and validity; sampling, hypothesis testing and statistical significance, correlational analysis, tests of mean differences, tests of frequencies, analysis of variance, linear regression, and multiple regression.

课程主要容包括问卷调查法，实验研究法，相关研究法，抽样方法，测验信度与效度，X2考验，相关分析，t考验，变异数分析，单回归，多元回归。

Polak's result is as strong as any of the contemporaneous global convergence results for either steepest descent or a globalized quasi-Newton method.

Polak的结果和同时期的任何最速下降或全局拟牛顿法的结果一样强。

Quasi Hamiltonian system; nonlinear stochastic optimal control; robustness; robust control; parametric uncertainty; uncertain disturbance; Bouc-Wen hysteretic system; Preisach hysteretic system; minimax optimal control; stochastic stabilization; stochastic averaging method; stochastic dynamical programming principle; stochastic differential game; maximal Lyapunov exponent

国家自然科学基金；拟Hamilton系统；非线性随机最优控制；鲁棒性；鲁棒控制；参数不确定性；不确定扰动； Bouc-Wen滞迟系统； Preisach滞迟系统；极小极大最优控制；随机稳定化；随机平均法；随机动态规划原理；随机微分对策；最大Lyapunov指数

Some of Hazel Perfect's results on positive stochastic matrix with real characteristic roots are applied to the quasi-stochastic matrix with known characteristic roots is given.

又把Hazel Perfect对于随机矩阵实特征根的理论，推广到拟随矩阵，最后给出一个已知实特征根求拟随机矩阵的方法。

It is interesting that this week's downturn, these "quasi-champion," Straddle there have been dramatic confrontation.

有意思的是，本周的下滑，这些"准冠军，"钳出现了戏剧性的对抗。

Hybrid Dynamic; time-varying systems; finite horizon; optimal control; Quasi-Variational Inequality; viscosity solution; lower semicontinuous solution; uniqueness; Dynamic Programming; Viability Theory; inventory systems; mathematical model; proximal subdifferential; parabolic equation; nonlinear boundary

基础科学，数学，控制论、信息论混合动态；时变系统；有限时间；最优控制；拟变分不等式；粘性解；下半连续解；唯一性；动态规划；生存定理；库存系统；数学模型；邻近次微分；抛物型方程；非线性边界

Optimization; parametric quadratic convex programming; set-valued map; directional derivative; linear stability; solution-set map; parametric linear programming; error bound; subdifferential map; lower locally directionally Lipschitzian; upper locally di-rectionally Lipschitzian; locally directionally Lipschitzian; convex function; quasidiferential; kernelled quasidiferential; quasi-kernel; star-kernel; star-diferential; Penot diferential; subderivative; superderivative; epiderivative; set-valued optimization; set-valued analysis; subdifferential; optimization condition;ε-dual; scalization; generalized subconvexlike-cone;ε-Lagrange multiplier

基础科学，数学，运筹学最优化；集值映射；方向导数；线性稳定；最优解集映射；参数线性规划；参数凸二次规划；误差界；次微分映射；下局部方向Lipschitzian；上局部方向Lipschitzian；局部方向Lipschitzian；凸函数；拟微分；核拟微分；拟核；星核；星微分； Penot-微分；上导数；下导数； Epi-导数；集值优化；集值分析；集值映射的次微分；最优性条件；广义锥次类凸；ε-对偶；数乘；ε-Lagrange乘子

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。