...病例数分别为197例和204例)相比,临床疗效、感染复发率和病死率并无显著差异,但住院期间未用抗生素的时间(antibiotic-free days)明显延长,二者未用抗生素的时间分别为13.1天和8.7天。
基于4个网页-相关网页
frost-free days 无霜期
antibiotic-free days 未用抗生素的时间
WEEKLY FREE DAYS or HOURS 每周限时免费进
Car Free Days 无车日
FREE DAYS LIMITED 公司名称
Free deposit three days 自由存款三天 ; 免费存放三天 ; 免费存款三天 ; 免存三天
Only 10 days free boxes 只有10天免费用箱期
Deposit 3 days free 存款 ; 存款3天免费
Free For Nine Days 教父导导
That's why we have come up with the idea of screen-free days.
这就是为什么我们提出了无屏幕日的想法。
I remember the first time I suggested screen-free days in our school to some of our student leaders.
我还记得我第一次向我们学校的一些学生领导建议在学校设立无屏幕日。
I could feel their worry, and told them that I was only considering single screen-free days. Even that idea left them feeling upset.
我能感受到他们的担忧,并告诉他们我只是考虑过没有屏幕的日子。即使是这个想法也让他们感到不安。
Although it was a limited-run program, hundreds of tracks by Miles Davis were beamed across the country, non-stop and commercial-free for five straight days.
VOA: standard.2009.12.25
they even have days that you can get in for free for family revisiting and you can go in.
如果你是举家再访,有时候你甚至能免费进去。
Seven days a week, it's free to get in. You just have to buy a tea.
一周七天,都可以免费进入。你只需要买一杯茶就可以了。
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