The comparative trials were carried out in two henhouses with same poultry density, same ventilation and temperature controlling system.
选取尺寸、样式和饲养密度等完全相同的两栋蛋鸡舍作对比试验，两栋鸡舍通风采用自动控制装置。
The characteristics of droplet drift and deposit were tested in the comparative trials with representative nozzles at different wind speeds, temperatures, relative humidity etc.
在风洞中试验对比研究了典型喷头在不同环境（风速、温度、相对湿度等）条件下的雾滴飘移沉积特性。
Comparative efficacy and safety of OADs in management of GDM: network meta-analysis of randomized controlled trials.
在妊娠期糖尿病的管理的有效性和安全性比较的口服降糖药：网络荟萃分析的随机对照试验。
Methods:Randomized, parallel controlled trials were designed for comparative study of 200 patients with cancer pain syndrome(Qi stagnation blood stasis syndrome), 100 patients in each group.
方法：采用随机、平行对照实验方法，将癌性疼痛（气滞血瘀型）患者200例随机分为两组，每组100例。
Methods:Randomized, parallel controlled trials were designed for comparative study of 200 patients with cancer pain syndrome(Qi stagnation blood stasis syndrome), 100 patients in each group.
方法：采用随机、平行对照实验方法，将癌性疼痛（气滞血瘀型）患者200例随机分为两组，每组100例。
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