We found 102 studies conducted in 39 countries; 60 were designed before and 42 after the guidelines were issued.
研究发现，在39个国家进行的102项研究中，60项研究设计于指南发表前，42项研究设计于指南发表后。
Also, they did not take into consideration the changes in prescribing patterns before and after the regulatory warnings between 2003 and 2005, which have been highlighted in other studies.
而且，他们也没有将考虑过2003年- 2005年间在强制性警告发布前后开药模式上的变化。这在其他研究中都得到了明确指出。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
检索到与临床功效和安全性相关的两个随机对照试验(rct)、一个前后对照研究、两个回顾性报告，以及18个药物动力学研究。
More studies are needed that follow women over time and measure the length of their telomeres before, during and after pregnancy, she said.
她说，还需要进一步的追踪研究来确定女性的端粒在生孩子之前、怀孕期间和产后的长度。
He was cautious to point out that the specific studies they investigated were of short duration, looking at before and after effects, under controlled conditions.
他谨慎指出，他们荟萃分析的某些研究，是在对照情况下，研究时间较短，来观察食物服用前后的效应。
This experiments studies on the changes of plant endogenous hormones of different alfalfa cultivars with different root regeneration ability(RRA)before and after their taproot were pruned.
研究根系发育能力不同的苜蓿品种在主根受伤后内源激素的变化。
Objective: to study liver volume with 16-slices Spiral ct before and after the operation, to estimate the value of the volumetric studies in hepatectomy for hepatocellular carcinoma.
目的应用16层螺旋CT在肝癌切除手术前、后进行全肝体积、预切除肝体积、残肝体积的测量和计算，探讨16层螺旋CT肝体积测量在肝癌切除术中的应用价值。
Several recent studies have found that a small dose before exercising helps improve performance, and a few cups of the strong stuff after a tough workout can help your muscles recover more quickly.
近期几项研究发现，在运动前摄取少量咖啡因有助于提升训练效果，而在训练后能够喝上几杯浓咖啡因饮料则有助于肌肉尽快恢复。
The research studies the awareness of children reflected in the Chinese versions of "The Happy Prince" before and after 1949.
本文主要研究了1949年以前《快乐王子》中译本中所体现的儿童意识及1949年以后《快乐王子》中译本中所体现的儿童意识。
EXAMPLE: During my salad days immediately after I finished my university studies, I tried a lot of different jobs before finding one which I enjoyed and in which I succeeded.
在大学学习之后的初出茅庐时期，我尝试过很多不同的工作，最后才找到了一个我喜欢的，并由此取得成功。
Randomised or quasi-controlled trials and controlled before-after studies of red-light cameras.
闯红灯照相机的随机或类对照试验及前后对照研究。
After a couple of years, the guy finally graduated and decided to further his studies overseas. Before leaving, he proposed to the girl, "I'm not very good with words, but I simply know I love you."
几年之后，男孩终于毕业了并决定去国外深造，离别之前，他向女孩求婚：“我不太善于言辞，但我知道我很爱你。”
After a couple of years, the guy finally graduated and decided to further his studies overseas. Before leaving, he proposed to the girl, "I'm not very good with words, but I simply know I love you."
几年之后，男孩终于毕业了并决定去国外深造，离别之前，他向女孩求婚：“我不太善于言辞，但我知道我很爱你。”
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