helical造句
Two types of viral symmetry have been recognized, the cubical symmetry and
helical symmetry.
已经证实病毒有两种对称型, 即立体对称和螺旋对称.
The polynucleotide chain is
helical.
多核苷酸键是螺旋形的.
The high laevorotation of L - cystine depends on a specially
helical structure of its molecular.
指出了L - 胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的.
Objective To study the diagnosis value of
helical CT singlet hilum of lung and mediastinal lymphadenectasis.
目的探讨螺旋CT对单纯肺门纵隔淋巴结肿大的表现及诊断.
Methods: The root canalroot canal orifice burs and
helical drilling bits were prepared in advance.
方法: 采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管.
In a globular protein, certain portions of the chain are coiled into
helical segments.
在球状蛋白中, 链的某些部分被盘成螺旋状.