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1·They studied 200 patients with an average age of 60 and discovered that those on a low dose had double the reduction in knee pain of patients on higher doses.

他们研究了平均年龄为60岁的200名患者，发现在减少膝盖疼痛的效果上，那些少量服用鱼油的病患是大量服用的病患的两倍。

2·Fat reduction is another popular surgery, along with stretch marks removal, wrinkle smoothing, double eyelid removal and even botox injections.

抽脂术也是很流行的美容手术，此外，去除妊娠纹、除皱、去双眼皮甚至是注射肉毒杆菌也很受欢迎。

3·The actual control further shows that the control strategies combining double loops torque compensation allow an effective reduction in surplus of the system and better control of steady-state error.

实际控制效果进一步表明，双环与力矩补偿相结合的复合控制策略可有效减小系统多余力矩，控制稳态误差。

4·A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.

对厚煤层采用分层与放顶煤相结合的采煤方法，既可控制导水裂缝带的发育高度，又可降低生产成本。

5·Objective: To analyze the clinical effect of intercondylar fracture of humerus with open reduction and internal fixation with tension band or double plate.

目的：分析手术复位钢针张力带固定和内外侧双钢板固定治疗肱骨髁间骨折的临床疗效。

6·The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.

之后，经引入手性试剂，双键还原，氢解，水解酯基得到目标产物的合成路线。

7·Biocatalytic reduction of the carbonyl groups or the carbon-carbon double bonds of the compounds has been utilized as a method for transforming the prochiral substrate into chiral product.

生物催化的还原反应能使分子内的羰基或碳-碳双键立体选择性的还原，将潜手性底物转化为手性产物，在不对称合成中有着重要的作用。

8·The structure and principle of jty-1 type air reduction pressure valve for double wind pipe of installation in the raising speed locomotive are described.

介绍了安装在提速机车上专门用于列车双管供风的jty—1型空气减压阀的结构和原理，并介绍了使用、检修及常见故障的处理方法。

9·Methods 39 cases of the distal humerus fracture type-C underwent open reduction and internal fixation with double plate.

方法本组共应用双钢板内固定治疗C型肱骨远端骨折39例，并随访分析疗效。

10·Cast hopper. The double layer design, noise reduction;

投料斗双层设计，减少噪音；