Because of the inevitable blur of a optogram, some geometric figures composed of intersection lines are of twisted cord illusions in reality.
这使得由于光学及视网膜的结构特点的原因使视网膜的像上模糊，某些由相交线构成的几何错觉图形，实际上是类“拧绳”错觉图形。
Fine cord of a fibrous material, such as cotton or flax, made of two or more filaments twisted together and used in needlework and the weaving of cloth.
由两根或多根拧到一起的丝组成的纤维状物质的细丝，如棉花或亚麻丝，用于针织品和编织物。
An annular, concentrically twisted bead cord is provided which can be reduced in weight while ensuring strength. Also provided are: a process for producing the bead cord; and a vehicle tire.
本发明提供了一种能够在保证强度的同时实现重量减轻的环形同心绞股胎圈帘线及其制造方法、以及车辆轮胎。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
Circular PVC Flexible Cord: Cores and fillers (if only) shall be twisted together.
圆形软线：绝缘线芯和填充(若有)绞合在一起。
Circular PVC Flexible Cord: Cores and fillers (if only) shall be twisted together.
圆形软线：绝缘线芯和填充(若有)绞合在一起。
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