Method: Random and single blind design was used to divide 160 patients with acute cerebral infarction into the treatment group (80 cases) and the control group (80 cases).
方法：采用随机单盲设计，将160例急性脑梗塞患者随机分为治疗组和对照组各80例。
Methods: To adopt a random, double-blind and placebo comparative research.
方法：采用前瞻性随机双盲、安慰剂对照研究。
Methods: Clinical observation on change of zinc in serum of 186 cases were adopted with methods of random, single blind, parallel and control study of positive medicine.
方法：采用随机、单盲、阳性药平行对照方法对186例患者治疗前后血清锌的变化进行临床观察。
Methods Clinical observation of 186 cases was conducted with methods of random, single blind, parallel and control study of positive medicine.
方法采用随机、单盲、阳性药平行对照方法，对186例高脂血症患者进行临床观察。
However, previous studies on the selected initial control input value is subjective, blind, and generally set it as zero or a bounded random quantity.
然而以往的研究对控制输入初值的选取完全是主观、盲目的，一般将其定为零或一有界随机量。
Methods The multicenter, double-blind, random samples, active-controlled study has been processed in the mild to moderate hypertensive patients, and maleic acid amlodipine as the controll drug.
方法以国产马来酸氨氯地平为对照药，在轻度至中度高血压病人中进行多中心、随机、双盲、平行、活性对照的临床试验。
Methods The multicentre prospective, random, double-blind and imitation, positive-drug parallel control clinical trails are used.
方法采用前瞻性，随机双盲双模拟，阳性药平行对照，多中心临床研究。
The study puts forward the precision difference solution to elastic wave equation, using staggered mesh random even rank, and formula for tilted contact surface's refraction blind zones.
研究提出了弹性波方程交错网格任意偶数阶精度差分解法及倾斜界面地表折射盲区计算公式。
In general, these attempts revealed the process of practice incentive lag, incentive fatigue, motivation failure, random motivation to inspire blind spots and many other issues.
总的来说，这些尝试在实践过程中暴露出了激励滞后、激励乏力、激励失灵、激励随意、激励盲点等诸多问题。
Method: the study adopt random and double-blind clinic method. Patients that conform to the condition can be selected.
方法：采用以安慰剂为对照药的临床随机和双盲研究。
Method: the study adopt random and double-blind clinic method. Patients that conform to the condition can be selected.
方法：采用以安慰剂为对照药的临床随机和双盲研究。
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