double-helical 中文意思是什麼

double-helical 解釋
雙螺旋的
  • double : adj 1 兩倍的，加倍的。2 雙的，二重的，雙重的；對，雙，兩，復。3 雙人用的；折疊式的。4 （意義）雙...
  • helical : adj. 螺旋狀的，螺旋線的。adv. -ly
  1. Gear drawing standards - part 1 : for spur, helical, double helical and rack

    齒輪制圖標準.第1部分:正齒.螺旋齒.雙螺旋齒和齒條
  2. Gear drawing standards - part 1, for spur, helical, double helical, and rack

    齒輪繪圖標準.第1部分:正齒輪斜齒輪人字齒輪和齒條
  3. Rating and application of single and multiple reduction double - enveloping worm and helical worm

    一次和多次縮減的雙箱渦輪和螺旋渦輪的應用和評定
  4. Standard specification for steel line pipe, black, plain end, longitudinal and helical seam, double submerged - arc welded

    雙埋弧焊縱向和螺旋焊縫平頭無鍍層鋼制總管的標準規范
  5. 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

    大家也許還知道，這些基因沿著dna分子的雙螺旋鏈排列，而dna分子是構成生命的基本元素。
  6. Side and face milling cutters with double alternate helical teeth with carbide tips

    硬質合金錯齒三面刃銑刀
  7. In this dissertation, first, based on the theory of w - n gearing, characteristic of tooth profile as well as the processing principle of helical bevel gear, a cutting meshing analysis about double circular arc profile bevel gear was carried out, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of double circular arc profile bevel gear were obtained

    本論文首先根據雙圓弧齒輪傳動的嚙合理論，結合其齒形特點和弧齒錐齒輪的加工原理，進行了雙圓弧弧齒錐齒輪的切齒嚙合分析，得到了切齒嚙合過程中的嚙合方程、產形輪齒面方程以及雙圓弧弧齒錐齒輪的通用齒面方程，為下一步生成雙圓弧弧齒錐齒輪的三維模型打下了基礎。
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