水流线

Boundary value problems in classical hydrodynamics are usually transformed from the physical plane to velocity plane by hodograph method.

在古典水动力学中，对於二维、稳态、不可压缩、无旋流场且不考虑其他外力影响之平面射流问题，常用速度矢端图法将其由物理平面转换至速度平面，再以复变函数法求得平面射流问题之自由流线参数方程式，但其求解过程甚为繁复。

Elite competitive goggle. Optical quality lens for maximum clarity and peripheral vision. Sleek low profile fit to minimize drag resistance.

SPEEDO Speed Socket国家队奥运专用竞赛泳镜是一款流线设计超低水阻的完美专业竞赛泳镜，光学镜片保证最大限度的清晰度和视觉范围。

International first-grade manufacturing devices: from computer-controlled 110kv, 35kv and below 160m triplex layer crosslinked cable manufacturing line to 1600-type 3+2 cable-former, 54 frame-type strander, 200-type extruder, high pressure copper belt shield machine and tens of digital high-speed weaving machine, manufacturing line such as synnema, lapping, drawing and packing, to imported IMAJE ink jets coder from France, supply strong facilities assurance for manufacturing excellent products.

从策画机程序操纵的 110KV、35KV及以下160米三层共挤交联电缆生产线到1600型3＋2成缆机、54框绞机、200型挤出机、高压铜带屏蔽机和数十条数字控制式高速编织机、束丝、绕包、拉丝、打包等生产水流线、再到法国入口的依码仕的喷码系统，国际一流的制作设备为集团生产出超卓的产品供给了坚实的硬件保证。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。