Methods Step down test was performed to reflect the learning and memory of mice.

方法使用跳台法观察小鼠的学习记忆功能。

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Methods:The effects of alcoholic extract and watery extract of Renru on the memory of mice were evaluated by step down test.

方法以昆明种小鼠为材料，从行为学角度，利用跳台、避暗及水迷宫计算机自动分析处理系统检测小鼠的学习记忆能力。

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Results: After 20 times hyperbaric oxygen therapy, group HBO1 and HBO2 showed better improvement in Water Maze Test and Step Down Test than the control group.

结果：HBO1组和HBO2组，经过20次高压氧治疗后，其在水迷宫和跳台试验中的成绩比未治疗组有明显提高。

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You can have a big vision for what you might do, but you need to break it down into a step you can actually test in the market.

FORBES: Move up http://i.forbesimg.com t Move down

Meanwhile, Pakistan's Asad Rauf has had to step down as an umpire for the scheduled first Test as he could not get the proper visa, according to the International Cricket Council.

BBC: England to tour with full squad

Ganguly revealed he was asked to step down as captain prior to last week's first Test, in which he scored 101.

BBC: SPORT | Cricket | Chappell plays down Ganguly rift