电气绝缘材料。耐热特性。电气绝缘材料耐热特性的测定。试验标准的选择。
Electrical insulating materials. Thermal endurance properties. Determination of thermal endurance properties of electrical insulating materials. Choice of test criteria.
就标准套圈的选择、钢球测振分档范围和对测振值的影响因素等方面进行了较为系统的试验分析。
This paper analyzes the selection of the standard rings, classification of ball vibration and the influence on bearing vibration through test.
研究人员有选择的分析了随机对照临床试验(临床研究的金标准)，以确保只采用最高质量的数据。
The researchers limited their analysis to randomized controlled trials, which are the gold standard of clinical research, to ensure that only the highest quality data were used.
选择标准：比较对照和钙通道阻断剂围移植手术期给药的随机对照试验入选。半随机对照试验被排除。
SELECTION CRITERIA: Randomised controlled trials comparing calcium channel blockers given in the peri-transplant period with controls were included. Quasi-randomised trials were excluded.
在符合选择标准的所有42个至少24个星期时间的后续实验，试验采用随机对照组，有效的心梗与心血管死亡数据。
In all, 42 trials met the inclusion criteria of a follow-up period of at least 24 weeks, the use of a randomized control group, and the availability of outcome data on mi and cardiovascular death.
整个试验数据的分析表明：收获指数可以作为小麦育种早期分离世代对产量性状进行选择的一个标准。
The analysis all of the experiment data indicate that the harvest index can be as a standard of selection of the early separate generations of the wheat breeding.
文中介绍了风能发电用电缆标准的制定、导体结构的设计，以及绝缘和护套材料的选择，最后还介绍了几项特殊性能试验方法及要求。
In this paper, the establishment of the standard for the cables for wind power generation, design of the conductor construction and selection of the materials for insulation and sheath are presented.
根据试验选择合适的试验标准，试验标准规定的试验方法所具有的不确定度即为本次试验的基本不确定度。
Select appropriate test standards according to the experiment, and the uncertainty of test methods specified in the test standards is fundamental uncertainty of the experiment.
根据试验选择合适的试验标准，试验标准规定的试验方法所具有的不确定度即为本次试验的基本不确定度。
Select appropriate test standards according to the experiment, and the uncertainty of test methods specified in the test standards is fundamental uncertainty of the experiment.
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