And then we discriminate 219Rn from radon isotopes by using a software delayed coincidence counter,in which the best time to gate-time is about 6ms in the system of delayed coincidence measure.
利用matlab仿真产生了氡及其子体的仿核脉冲数据,它满足氡及其子体的衰变规律;同时根据产生的数据,利用matlab仿真延迟符合法分辨氡的短寿命同位素219Rn;探索在延迟符合测量氡短寿命同位素219Rn最佳的开门时间;通过仿真对符合测量装置的研究具有指导作用。
This paper introduces the present situation of opening hours of university library,analyzes the factors influencing the opening hours of library,and probes into the measures for arranging rationally the opening hours of library.
介绍了高校图书馆开放时间的现状,分析了影响图书馆开放时间的因素,探讨了合理安排图书馆开放时间的措施。
Extended opening hours during august
八月延长开放时间。
Please telephone for opening times and admission charges
打电话询问开放时间和门票价格。
weekday opening times
除星期日以外的每日开放时间.
Closing time was also extended by half an hour to 7 pm.
此外，开放时间又延长半小时至晚上七时。
Discussion about Opening Hours in Out-Of-Order and the Orderly Time Management--Practice Analysis of the Management of the Library Opening Hours in The Library of Huaihai Institute of Technology
论无序的开放时间与有序的时间管理——淮海工学院图书馆开放时间管理实践分析
Our ship's library opens from 8:00 a.m. to 8:00 p.m.
本船的图书馆开放时间为上午八点至下午八点。
Iong open time, high bonding strength。 Dissociative form aldehyde content can meet national standard.
开放时间长，强度好。游离甲醛含量通过国家标准。
Sunday afternoon opening and the extension of the weekday closing time to 9 pm will be phased in.
至于在星期日下午开放及在平日延长开放时间至晚上九时的计划，将会分阶段推行。
Preparations are well advanced to extend the opening hours at Sha Tau Kok Control Point by two hours.
香港海关现正准备将沙头角管制站的开放时间延长两小时。
When is it open to visitors?
什么时间对游览者开放？
I've been on the go all week. I have no time to relax.
我这星期忙得不可开交，没时间放松。
playback duration
重放期间，重放(持续)时间
When referring to the opening hours of public places,both shut and close are used
指公众场所的开放或营业时间时,用shut和 close均可
only 12 months before the park was planned to open.
离公园计划开放的日子仅仅有12个月的时间。
Moderator: Thank you, lets open the floor to questions.
主：谢谢。接下来把时间开放给现场听众发问。
Receptiveness was regarded as the time between flower opening and closure.
自花朵开放到闭合的时间被看成是可受期。
That movie theater will start from Friday to lengthen shows the time.
那家电影院从星期五开始将延长放映时间。
Study on Open Vehicle Routing Problem with Soft Time Windows
带软时间窗的开放式车辆路径问题研究
