achiral molecules是什么意思

用法例句

[Objective]To discuss the clinical effect of comprehensive non-operational TCM therapy on prolapse of intervertebral disc.

[目的]探讨中医非手术治疗腰椎间盘突出症临床疗效。

Objective To discuss the therapeutical principle with operation and non-operation of the tractional esophagus diverticulum, so as to master the indication of operation for this disease.

目的探讨牵引型食管憩室的手术与非手术治疗的原则,从而提高对该病手术指征的掌握。

Results12 patients applying non-operation therapy were cured, 2 cases applying opening fenoral vein were cured,and one using vena caval filters was vali.

方法对15例深静脉血栓形成患者进行非手术及手术治疗。

They are used to calculate a 3-order Vassiliev invariant on some knots and determine an equivalence condition for amphichirality of these knots.

给出了对具体计算有用的某些公式并用它们计算了某些纽结的Vassiliev不变量,还用这些结果探测了这些纽结的非手征性。