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Methods: One hundred and four cases were randomly divided into experimental group and control group.

将104例患者随机分为观察组和对照组各52例。

Methods 200 cases were randomly divided into treatment group and control group.

方法将 200 例慢性肾功能衰竭患者随机分为治疗组和对照组。

Inthe paper, we study the relation of pairs of lines and pairs of needles, and two results ofintegral formulas are gained. Thus, the geometric probability problem is solved. Also.we give a solution to the problem: pick two points randomly in a convex body K anddraw two lines passing through two points.

文章考虑了线偶与针偶的依附关系，得到了两个积分公式的结果，从而解决了这一问题，并得到了随机地在凸体K内任取两点，通过这两点任意投掷两直线，两直线的交点落入凸体K内的概率及其它的一些结果和推论。

In this paper, an arbitrary edge in the plane of the convex polygon generating algorithm, discussed the randomly generated convex polygon vertex algorithm idea.

本文研究在平面中生成任意边的凸多边形的算法，讨论了随机生成凸多边形顶点坐标的算法思想。

Methods: Totally 16 healthy adult rabbits of both sexes were randomly divided into SP group and NS group. The rabbits in SP and NS group were given Thiopental (3 mg/kg) and normal saline (1 ml/kg) respectively by intravenous injection via ear vein after establishing convulsant models by injecting Strychnine into the other ear vein. QPEEG and power spectral analysis were used to analyze the changes of δ-band of QPEEG in convulsant rabbits before and after administering drugs.

成年家兔16只，雌雄不限，随机分为硫喷妥钠组和生理盐水组，每组8只，在建立惊厥兔模型后，分别耳缘静脉注射硫喷妥钠3 mg/kg、生理盐水1 ml/kg，应用QPEEG，采用功率谱分析法，分析惊厥家兔给药前后QPEEG δ频段的变化。

Aimed at spherical, cylindrical, conical and toroidal electrodes in electrical engineering, based on the corresponding coordinate transformation the randomly meshing surface BEM is put forward.

针对电气工程中常见的球、柱、锥和圆环形电极，建立相应的坐标系，提出了基于坐标变换，适用于任意网格剖分的曲面边界元方法。

In thisstudy, we sought to determine the number of injections neededto provide a reasonably complete anesthesia of the upper limbwith this approach. Seventy-five patients were randomly assignedto receive a coracoid block guided by nerve stimulator with42 mL of 1.5% mepivacaine with a single-injection (Group 1),dual-injection (Group 2), or triple-injection (Group 3) technique.

在本研究中，我们拟探讨为提供完善的上肢麻醉效果所需要的锁骨下臂丛神经阻滞的注射次数。75例病人用神经刺激器指导喙突旁臂丛神经阻滞，随机用1.5%的甲哌卡因42ml 行单次注射（组1）、分两次注射（组2）或分三次注射（组3）。

Methods Patients with fungal corneal ulcer were randomly divided into observation group and control group each 34 cases.

将纳入考察范围的患者随机分为观察组和对照组各34例。

Methods: 1,000 cases of normal newborns from our hospital in 2007 were randomly divided into salad oil bath group (n=500) and the control group (n=500). Both groups used salad oil and Johnson baby oil respectively for oil bath, the cost, skin infection and incidence rates of scleredema were compared between two groups.

将我院2007年1000例正常新生儿随机分为油浴组与对照组，对500例正常新生儿出生后用强生婴儿油进行油浴作为油浴组，对500例正常新生儿出生后用食用色拉油进行油浴作为对照组，观察两组在用油方面经济上、皮肤感染发生率、硬肿症发生率的比较。

In semiconductor factory , the layout can not be changed randomly because of the costliness and sensitivity of equipments and the complexity of processes .

在半导体制造业中，由于其设备的昂贵性，敏感性和制造过程的复杂性，工厂的布局一般不可以轻易更改。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。