Methods: APP transgenic mice of same age and APP positive control (divided in groups of difference by dosage) were selected to perform water maze and jump platform experiments.

方法：选用同龄转基因APP阳性动物(不同用药组)做水迷宫和跳台实验。

youdao

Oh, come on now. Don't jump to conclusions. I'm positive she'll show up for class soon. You worry too much.

噢，别瞎想了。不要妄下结论。她很快就会来上课的。你想的太多了。

youdao

Positive studies show that the model is practical and feasible and can effectively enhance the effect of teaching the back-style high jump.

实验证实，该理论模型具有相当的实践性和可行性，并能更加有效地提高背越式跳高的教学效果。

youdao

Last week saw positive U.S.economic news, with increases in home sales and housing prices, a jump in manufacturing activity, a drop in new jobless claims, and a new growth figure showing the economy shrinking far less than had been anticipated.

VOA: standard.2009.08.02

The jump in the PCI index joins positive signals from other indexes including manufacturing, manufacturing shipments and retail sales, all of which have been rising steadily from mid-2009 lows.

FORBES: Truckers Say Market's Wrong, Economy Grows