DNA is made of two helicoidal strands, one opposite the other with bases in the center like rungs of a ladder.
DNA 由两条螺旋链组成，一条相对，中间有碱基， 就像梯子的梯级。
helicoidal
/ˌheli'kɔidəl/
英汉-汉英词典
n. 螺旋面
词组 | 习惯用语
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- helicopter n. 直升机
- hellcat n. 悍妇，泼妇；巫婆
- helical adj. 螺旋形的
- helicoid n. 螺旋面；螺旋体 adj. 蜗牛壳状的；回转式的；螺旋状的
helicoidal adj. 螺旋状的，螺旋面的（同 helicoid）; n. 螺旋面;
helicoidal surface [数] 螺旋面
helicoidal wheel 斜齿轮；螺旋齿轮
helicoidal conveyer 螺旋输送机
helicoidal anemometer 螺旋桨式风速表
网络短语:
helicoidal bottom 螺旋形犁体；螺旋型犁体
helicoidal saw 石工锯
helicoidal toothing 螺旋齿啮合
helicoidal microstrncture 螺旋微结构
helicoidal groove 螺旋形槽
helicoidal moldboard 螺旋型犁壁
原声例句
TED-Ed（视频版）
中文百科
螺旋曲面 Helicoid
（重定向自Helicoidal）
螺旋曲面可视为一个线段沿着垂直于其中点的直线，匀速螺旋上升时扫过的曲面，可视为是螺旋线的立体版本，是在平面及悬链曲面后，第三个已知的极小曲面。
英语百科
Helicoid 螺旋曲面
（重定向自Helicoidal）
The helicoid, after the plane and the catenoid, is the third minimal surface to be known.
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