查询词典 Z-twist

It is proved that the two-dimensional non-hydrostatic Boussinesq equations on the x ? z plane with the kinetic viscous term and the thermal dissipative term are unstable equations in the C 2 function class.2. If we replace the influence of the kinetic viscous term by Rayleigh friction and the thermal dissipative term by Newton cooling, the new generalized equations are stable equations in the C 1 function class. The construction of the solution space and the discriminating method for well-posedness of the problem of determining solution are given.

本文的主要结果如下：1证明了在y方向上均匀的带有运动粘性项以及热耗散项的两维非静力、Boussinesq近似的x-z面上两维旋转流体的控制方程组在C 2函数类中是一个不稳定的方程组。2如果以瑞利摩擦来代替粘性的影响，以牛顿冷却来代替热量的耗散，则所获得的一个新的方程组在C 1函数类中是一个稳定的方程组，给出了其解空间的构造和各种定解问题的适定性的判别方法。

Kist said on january 17 that it had developed the robot "maru-z," which can operate home appliances to prepare sandwiches and beverages, and conduct physical work from a distance in real time.

1月17日，韩国科学技术研究院发表了可操作家电、准备三明治和饮料、远程遥控的仿人机器人"maru-z"。

And it's all complete kitsch from "A" to Z.

"|完善那些从"A"到"Z的下等品。

That is, until last week when Jay-Z announced that he plans to marry Knowles.

就这样，一直保持到Jay-Z于上周宣布他打算迎娶Knowles之时。

Could it be that Grammy-licious Beyonce Knowles won't end up being Mrs. Jay Z after all?

在格莱美奖上风头正劲的Beyonce Knowles最终是不会以成为Jay-Z太太来告一段落的，这可能吗？

Scar resection in upper lip, orbicularis oris muscle reconstruction, Z-plasty, V-Y plasty or double movable mucomuscular complex flaps for vermilion defects were applied to slight nasolabial deformities. In severe labionasal deformities, Forked flap was used at the upper lip to lengthen columella for patients who have enough upper lip tissue, while for those who have deficient upper lip tissue, the prolabium was advanced into columella for lengthening and an Abbé flap was adopted for upper lip reconstruction. Results Since 2000, we have treated 23 patients of secondary deformities of bilateral cleft lip.

对上唇及鼻畸形较轻者，采用上唇瘢痕切除，口轮匝肌重建，V-Y成形、Z成形术或双侧肌蒂红唇肌粘膜瓣向中间推进矫正红唇口哨畸形；对唇鼻畸形较严重但上唇组织较多者，采用鼻底叉形瓣延长鼻小柱进行矫治；对唇鼻畸形严重并有上唇过紧者，采用前唇组织瓣延长鼻小柱，下唇带蒂组织瓣旋转修复上唇正中缺损。

Using a large sample independent Z test, It can be inferred that the possibility of the averaged scores overall of two key schools science students which falling into the confidence intervals of (89.78, 91.50) and ( 82.79, 87.63) were 95%, significantly at a higher level.

运用独立大样本Z检验，推断两所重点中学理科学生成绩总体均值依次落入以下置信区间(89.78，91.50)，(82.79，87.63)的可能性为95%，达到显著性水平α=0.05。

In this paper, the analytical formulations for every reflection point's Z coordinate are deduced by using Fermat's principle and law of reflection in the system of cylinder and cone.

以圆柱和圆锥二阶系统的反射寻迹为例，结合费马原理和反射定律，推导出各反射点Z坐标的解析表达式，从而减少了寻迹方程中未知数个数，使计算时间显著缩短，也提高了结果精度，文中给出了应用实例。

The weak Hilbert 16th problem is asking for a least upper bound Z of the number of zeros of I for a fixed n and for all possible H, f, g and all h∈△.

弱化的Hilbert第十六问题就是对给定的n和一切可能的H，f，g以及h∈△寻求I零点个数的最小上界Z。

The participants sat in a brown leatherette La-Z-Boy chair in her small lab at the Center for Addiction and Mental Health, a prestigious psychiatric teaching hospital affiliated with the University of Toronto, where Chivers was a postdoctoral fellow and where I first talked with her about her research a few years ago.

这些参与者都被安坐在她实验室一张棕色的皮质LA-Z-BOY椅子上。她的实验室在戒毒与精神康复中心，这是一间富有名望的精神病实习医院，附属于多伦多大学。芝华士是这间大学的博士后。我几年前在这间大学第一次与她谈过她的实验研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。