扇形

With the application of the Pro-Hellinger-Reissner variational principle, dual equations in the symplectic space are yielded to present an analytical method for the bending of annular sector plates.

然后应用类 Hellinger-Reissner变分原理，导出了辛几何空间的对偶方程，从而将环扇形薄板弯曲问题导入到辛对偶求解体系。

On the analogy between plane elasticity and plate bending theory, moment functions of plate bending in polar coordinates are introduced as original variables to establish a symplectic space in circumferential direction for the bending of annular sector plate with an appropriate definition of symplectic inner product.

根据平面弹性与薄板弯曲问题的相似性原理，极坐标系板弯曲的弯矩函数被引入作为原变量，并通过恰当的辛内积定义建立了环扇形薄板弯曲问题的一个辛几何空间。

This paper presents a Symplectic method in circumferential direction to determine the Stokes flow in an annular cavity .

本文给出了不同边界条件扇形域问题的实际算例，其结果说明了本文方法的有效性。

The mouth of an alluvial fan formed millions of years ago by the Santa Ana River, the Talbert Gap has since been buried along the coast by several hundred feet of clay.

它是由圣塔阿那风河在几百万年前形成的冲积扇形口，已经被几百英尺厚的粘土沿着海岸线深深地覆盖着。

In the first part,we give the inner radius of univalency for fan-shaped domains and for quadrilateral domains with vertexes on a circumference and sides forming the sequence abba .

在第一部分中，我们给出了扇形和四边为abba形式的圆内接四边形的单叶性内径，并给出了长方形区域单叶性内径的下界估计。

Fig. 1. The plan and side view of the flow of a molten polymer liquid in gas-assisted injection molding where a pipe is connected vertically to line A to a fan-shaped cavity with a vertex angle of 180度 formed by two parallel plates and gas is injected at the point above where two cavities are connected.

图。 1。该计划和侧面的熔融聚合物液体流动的角度在气体辅助注塑成型在管道连接垂直线A到一个扇形腔一顶点由两个平行板和气体形成的夹角为180度在上述点注入其中两个腔相连。

Smoke emissions into the stable air fan out in the horizontal with little vertical dispersion other than wavelike oscillations.

排放到稳定空气中的烟在海平线中成扇形展开，有少量垂直分布，而没有波状振动。

There was a Jazz Age decadence to looks like a Wedgwood blue tulle cloud minidress, a patchworked fur cropped jacket, and a tiered and scalloped long lace dress with a bronze crystal underlay.

有一个爵士乐时代的衰落，看起来像云魏特沃德蓝色薄纱连衣裙，一个patchworked裘皮剪裁外套，以及分层和扇形长期花边裙子和背后的铜牌晶体。

Fanning her flushed face, i would i had drunk superhuman might of bhima, o bharata, like that course for their sake, the sarasvati, that foremost seek to gratify thee by bending my head, o hero, by thee.

扇形她冲水式面对，我想我喝醉了超人的实力bhima ，澳bharata ，这样当然是为了他们，辩才女神，即首要寻求情欲祢弯曲我的头，噢，英雄，由你。

Any of several aquatic plants of the genus Cabomba, having opposite, finely divided, fanlike submersed leaves and alternate, entire, peltate floating leaves.

水盾草水盾草属水草植物，有相对立的、扇形的水中生长的分叶及交错的完整盾状浮叶

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。