Turning or rotating the plane of polarization of light to the left, or counterclockwise.
左旋的光的偏振面向左方向或逆时针方向转动或旋转的
a left-arm spin bowler
投左手旋转球的投球手.
An Qingqiao′s Conclusion in the Debate about Rotation-direction of the Sun, Moon and Five Planets to the Earth in Ancient China;
日月五星左、右旋之争:安清翘的左旋会通
Right-hand(left-hand) polarized of an electrical field vector
电场食粮的右旋(左旋)极化
dextrorse:Growing upward in a spiral that turns from left to right
向右方上旋的:从左向右方上旋生长
Does twisting the leftmost knob turn on the left-front burner, or does it turn on the left-rear burner?
旋转最左边的旋钮控制的是左边前端的火眼，还是后端的火眼呢？
The levorotatory form of dopa, used to treat Parkinson's disease.
左旋多巴左旋形式的多巴，用于治疗帕金森综合症
A counterclockwise rotation, especially of the plane of polarized light.
左旋转逆时针方向旋转，尤指光的偏振面
Although levodopa helps deal with the signs of the disease,
虽然左旋多巴帮助解决该疾病的症状，
Vermifugal Experiment with Levamizole against Toxoscara canis and Ancylostoma caninum
左旋咪唑对犬蛔虫、钩虫的驱虫试验
Research on the Extraction of L-DOPA Produced by Fermentation
发酵法生产左旋多巴提取工艺的研究
STUDY OF L-DOPA PRODUCTION BY TISSUE CULTURE OF MUCUNA.SPP.
油麻藤组织培养产生左旋多巴的研究
The Study on the Effect of L-Arginine in Pulmonary Hypertension Therapy;
左旋精氨酸对肺动脉高压的治疗研究
Effects of L-carnitine on Acute Atrial Electrical Remodeling;
左旋卡尼汀对心房急性电重构的影响
Study on the Propagation Property of Vortex Light Beams in Left-handed Materials
左手介质中涡旋光束的传输特性研究
Determination of laevoicomer in Oxaliplatin by HPLC
HPLC测定奥沙利铂中的左旋异构体
Determination of L-carnitine in Slimming Capsules by HPLC
HPLC法测定减肥胶囊中左旋肉碱的含量
Interaction between Shikonin and Lysozyme
左旋紫草素与溶菌酶相互作用的研究