查询词典 quasi-permanent

In order to study drag reduction characteristics of riblet surface, two kind of different size's rible surface were manufactured on aluminum alloy using quasi-LIGA molding technology.

为了研究脊状表面的减阻特性，利用准LIGA成形技术在铝合金表面加工了两种不同尺寸的矩形脊状结构。

Experimental results show that riblet surface changes field flow structure of boundary layer, restrains turbulent variance, debases turbulence intensity, brings on drag reduction effect and preparation of riblet surface using quasi-LIGA technology is feasible.

试验结果表明，脊状表面改变了边界层内的流场结构，抑制了湍流脉动，降低了湍流度，达到了减阻效果。同时，利用准LIGA成形技术制备脊状表面的方法是可行的。

The n-dimensional umbilical submanifolds in a Riemannian manifold of quasi constant curvature are discussed.

摘要讨论拟常曲率黎曼流形中的全脐子流形，得到关于这类子流形的两个定理。

She doesn't acknowledge that Black and Indigenous Americans have long lived under quasi-fascist rule, she doesn't examine the role that previous administrations have played in setting the stage for the Bush regime, and she doesn't acknowledge the roles played by corporatism, widespread social dislocation and the radical Christian right in the rise of a fascist American zeitgeist.

她不承认黑人和土著美国人已长期生活在准法西斯统治，她不审查的作用，以往的历届政府都发挥在设定阶段，为布什政权的，她不承认所扮演的角色统合主义，广泛与社会脱节，和激进的基督教右翼在崛起的法西斯美国时代精神。

Firstly, the normal stress distribution over the 3D slip surface is initially assumed, which is modified by a function with five parameters involved for the rigorous solution, or by a function with four parameters involved for the quasi-rigorous solution.

假定空间滑面上正应力初始分布，对于严格解，用含5个参数的修正函数对其修正；对于准严格解，则采用含4个参数的修正函数。

We use quasi-Newton method for a high-speed coarse scan over a large area of the head, and Levenberg-Marquardt method for a fine scan near the source area.

首先从数学物理中关于不定问题的定义来解释脑磁逆问题的不适定性，脑磁文献中没有这方面的详细讨论。

Schlumberger is a global technology services company headquartered in New York and in Paris and The Hague to set up quasi-headquartered institutions.

斯伦贝谢也是一家全球化的技术服务公司，总部设在纽约，并在巴黎和海牙成立准总部机构。

By using the property of the secondary quasi diagonal matrix s index,a computational method of the Drazin inverse of even order anti centrosymmetric matrices is given.

利用次准对角阵指标的性质，给出了偶数阶反中心对称矩阵Drazin逆的一种计算方法。

At first, two optimal control problems for hybrid dynamic time-varying systems with free-terminal and terminal constraint are considered, value functions of these two optimal problems are respectively proved to be the unique viscosity solution and the unique lower semicontinuous solution to a type of Quasi-Variational Inequality and the relationship between them is addressed.

本文首先分别考虑了有限时间混合动态时变系统在终端自由和终端约束两种情形下的最优控制问题，得到了最优控制问题的解在这两种情形下分别是一类拟变分不等式的唯一的粘性解和唯一的下半连续解的结论，并给出了它们之间的关系。

Then we give a structure theorem of weak LR-good quasi-adequate semigroups by using the tool of dual semidirect product.

并运用双重半直积给出弱LR 好拟适当半群的结构定理。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷