crepe cord

Definite-purpose motor of induction cell and spiral coil;

螺旋形线圈感应电池的专用电动机

A mathematical model for an ovoid spiral scanning system with airborne laser for underwater object detection is developed and a scheme for dot matrix uniformity optimization is proposed.

建立了机载激光水下目标探测中的卵形螺旋线扫描系统的数学模型 ,提出了点阵均匀性优化方案 。

a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole.

具有螺旋形线状汽缸棒的啮合相似的螺纹孔的斜面型简单机械。

Of or having the shape of a helix;spiral.

螺旋形的，螺旋（线）的（拥有）螺旋形或螺旋线的；螺旋的

Having a shape approximating that of a helix.

近似螺旋形的，近似螺旋线的

spiral contrapper knitting machine

螺旋形花纹吊线织袜机

side fire helical antenna

侧向辐射式螺旋形天线

A surface in the form of a coil or screw.

螺旋面具有线盘或螺丝形状的表面

On Variable Pitch Screw Helix for Part Deliverty

分件供送变螺距螺杆螺旋线形式的探讨

helical curve [ line ]

螺旋曲线螺旋(取向)照相

Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.

右旋的软体动物的螺形外壳上的螺线顺时针螺旋即顶点向上，面对观察者时，螺线向右旋转

To form concentric rings or spirals.

绕成盘状形成同心环或螺旋线

That is what a double helix looks like.

这就是二重螺旋线的形状。

The Research of the Rule of Helical Involute Spline Cold Rolling;

螺旋渐开线花键冷滚轧成形规律研究

Triangle grid radial line helix rectangular array antenna

三角形栅格矩形径向线螺旋阵列天线的设计

A spiral formation, such as one of the whorls of a gastropod shell.

螺旋形一种螺旋形状，如一个涡螺壳上的螺旋

Mountain Expressway Line Shape Safety Evaluation in Helix Line Development

山区高速公路螺旋展线路段线形安全评价方法

Computer Aided Design of the Cutting Edge Profile for Spiral Fluting Cutter

螺旋槽盘形铣刀刃形廓线的计算机辅助设计

state of being twisted in a spiral

被旋转成的螺旋形.

They found that each molecule of D-N-A is in the shape of a double helix.

他们发现每个DNA分子都是二重螺旋线形状，