double helical meaning in English
双螺纹的
双螺旋形的,双螺旋的
Examples
- Gear drawing standards - part 1 : for spur , helical , double helical and rack
齿轮制图标准.第1部分:正齿.螺旋齿.双螺旋齿和齿条 - Gear drawing standards - part 1 , for spur , helical , double helical , and rack
齿轮绘图标准.第1部分:正齿轮斜齿轮人字齿轮和齿条 - Some of us may also know that these genes are located along the twisting double helical strands of the dna molecule , the basic building block of all life
大家也许还知道，这些基因沿著dna分子的双螺旋链排列，而dna分子是构成生命的基本元素。