查询词典 conical pulley

By the definition of Darboux type vector and rectifying Darboux type vector ,we constructed the rectifying type developable surfaces and Darboux type developable surfaces and tangential Darboux type developable surfaces ,and study these three developable surfaces relationship with Minkowski slant helices and Minkowski conical geodesic curves. Bying applying the singularity theoerical knowledge, We give a classification of special developable surfaces under the condition of the existence of such a special curve as geodesic.

通过定义三维Minkowski空间中的达布型向量以及修正达布型向量，构造出三维Minkowski空间中的三类可展曲面，即修正型可展曲面、达布型可展曲面和切达布型可展曲面，研究Minkowski斜螺线和Minkowski锥面测地线这两种特殊曲线和这些曲面的关系，并研究Minkowski斜螺线和Minkowski锥面测地线作为这些曲面的测地线的条件下，运用奇点理论的知识，对这三种可展曲面进行奇点分类。

In Arabic music, a mizmar is any single or double reed wind instrument. In Egypt, the term mizmar usually refers to the conical shawm that is called zurna in Turkey.

在阿拉伯音乐里，mizmar泛指任何一种单簧或双簧的吹管乐器，在埃及则是一种木管乐器，在土耳其称作zurna，在台湾称为唢呐。

The retractability head comes with Minus-shape and Plus-shape types; The base comes with flat-bottom and conical types. The length of recoilable belt may be customized.

伸缩头有一字和十字向，底座分为平底形、圆锥形两种，伸缩带长度可根据客户需求定制。

Bunch large, conical, shouldered, quite compact; berry medium to large, roundish; color brownish black.

奇大，圆锥形，承担，相当紧凑，浆果中到大，圆形，颜色棕黑色。

Rice is to be the root system, adventitious roots developed for conical panicle inflorescence, self-pollination.

水稻属须根系，不定根发达，穗为圆锥花序，自花授粉。

The results of imitative experiments indicate that the distribution character of the surface pressure on semispherical and conical sand mound without plant is obviously different.

人工"植物"引发的沙堆丘顶和背风坡区域表面风压的显著变化有利于截留沙尘、保护沙堆免受风蚀并促进沙堆增长。

New varieties of single-winding two-speed YHZ Series conical rotor motor with superior performance leader in the domestic market.

新品种YHZ单绕组双速系列锥形转子电动机以优越的性能领先于国内市场。

Cold fireworks, cold light fireworks, cold fireworks main products are: the columnar | silver fountain, the stage (that is, short hair spray and that the high fountain), conical fountain, rotating type of space, the surface rotation category, indoor |, waterfalls, Subtitles like fireworks, flowers like diamonds, meteor track, blasting, cake fireworks, sparklers, protocol flowers, auspicious candles, roses, chimney, the smoke ball, rotating music birthday music.

冷焰火，冷光烟花，冷烟花主要生产产品有：柱型金|银喷泉，舞台，锥型喷泉，空间旋转类，台面旋转类，室内|外瀑布，字幕烟花类，钻石花类，轨道流星，爆点，蛋糕烟花，电光花，礼宾花，吉祥烛，玫瑰花，烟筒，烟球，旋转音乐生日乐。

A small, conical, fleshy mass of tissue suspended from the center of the soft palate .

睡觉时呼吸有由小舌或者软颚的振动导致的刺耳声音。

Because the horizontal lathe craft scope is quite widespread, may in the turning the outer annulus cylinder, the circular conical surface, the ring channel, the solid of revolution formation surface, the turning end surface and each kind of commonly used metric system, the British system, the mold notational system, the pitch system thread, but also may carry on drills the center bore, the drill hole, the broaching, reams, work and so on tapping, wrap thread and knurling.

因为卧式车床的工艺范围相当广泛，可以车削内外圆柱面、圆锥面、环形槽、回转体成型面，车削端面和各种常用的公制、英制、模数制、径节制螺纹，还可以进行钻中心孔、钻孔、扩孔、铰孔、攻螺纹、套螺纹和滚花等工作。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。