Variation of helices based on dihedral angels and residue composition.不同的螺旋是依据二平面夹角与残基组成来决定.This is caused by the dihedral effect of the wings ( roll due to yaw ).这是由二面角的翅膀效果 ( 滚动由于偏航 )....
The man with the umbrella turned the corner again.拿伞的人又拐进了拐角处。She opens her umbrella, and walks up River Street.她撑开伞,沿着河街向前走。Does coincidence come under the umbrella of the paranormal?巧合属于超自然现象吗?...