查询词典 in small groups

In studies with small sample sizes, imbalances between the two groups can easily occur despite randomisation.

在小样本研究中，尽管采用了随机法，但两组间偏倚还是很容易发生的。

Other recurring themes of westerns include western treks and groups of bandits terrorising small towns such as in The Magnificent Seven.

西部片其它重复使用的主题包括长途跋涉，盗匪袭击小镇，如《

The agricultural groups were responding to a July 28 proposal issued by the STB that would amend its so-called "simplified guidelines" to address small rail rate cases. The agency was ordered to develop such guidelines by Congress in 1995 when it enacted legislation creating the STB as a successor to the former Interstate Commerce Commission.

为解决琐碎铁路运价个案问题，STB于7月28日发布了一项有关修订所谓&简化方针&的提案，农业团体的上述反应就是针对这一提案做出的。1995年国会以立法形式设立了STB，取代以前的州际商业委员会，同时要求STB制定相关方针。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。