The step through test and independent activity were used to observe effect of uneven constant magnetic fieldpole N and S on learning and memory impairment induced by hypobaric hypoxia .
用避暗实验法和自主活动法，分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
2
The night's track and field events had ended except for the women's pole vault, a sport that rarely gets top-billing.
晚上举行的田径赛事除了女子撑杆跳高以外的其它项目都已经结束。
3
When flown vertically on a pole, the stars and blue field, or union, is at the top and at the end of the pole (away from your house).