The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.
此次田间试验的目的,是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。
In this experiment, however, the babies were able to perceive the faces even when they were located in the periphery of their visual field.
但是,在这个实验中,婴幼儿能够感知到这些面孔,即使把它们放置在婴幼儿视野的边缘。
And if the publicly available data isn't enough, it's also easy to conduct an experiment "in the field", studying bidders in their natural habitat.
如果可以公开获得的数据不够用,还可以很容易地进行“现场”实验,在出价方的自然生活环境中研究他们。
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