They put the frequently used but visually dislocating functions on small controls to the left of the horizontal scrollbar near the bottom of the screen.

而将经常使用，但视觉上会引起混乱的功能放在屏幕底部水平滚动条左边较小的控件上。

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Since that time, critics have pointed out that the experiment was "a small case series with no controls, linked three common conditions, and relied on parental recall and belief.

从那时候开始，就有批评家指出那个实验是“控制不当的小范围实验，仅仅关联了三种常见情况，并依赖于父母的回忆和认知。”

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The FAO report says developing countries will need to strengthen disease control regulations, as well as improve environmental controls and minimize the dislocation of small farmers as the livestock industry continuesto grow and concentrate into large-scale enterprises.

VOA: standard.2010.02.22

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Many of the studies on valerian are small or lack placebo controls.

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