感染前头孢他啶的平均使用时间为13.3天，平均住院时间40.3天。
The average period of administering ceftizime was 13.3 days and the average hospitalization time 40.3 days.
每个应用每天的平均使用时间加起来就到15.9个小时，这比每天8小时的标准工作时间要长多了。
The average time reported for "using" each application every day added up to a total of 15.9 hours, much longer than the standard 8-hour work day.
我们发现，当CPU不处理随机操作时，其对于 zipSeries服务器的平均使用时间下降大约 15％。
We found that, on average, CPU use time for the zipSeries server decreased by about 15% when it was not handling randomization.
目前拥有社交网站络账户信息的在线用户比例，已经从2年前的22%增长到38%，而每天使用社交网站的用户又占到其中的41%，社交网站用户平均使用时间也在增长。
Now 38% of all online users have a social networking profile, as opposed to 22% two years ago, 41% are using networking sites daily and the average time spent there is going up.
使用时间数据揭示了为什么这些人的时间永远不够用：平均来说，他们不仅工作时间最久，而且花在陪孩子上的时间也最多。
Time-use data reveals why these people never have enough time: not only are they working the longest hours, on average, but they are also spending the most time with their children.
显微组织的粗化(老化)直接与使用时间和温度相关，因而可通过研究碳化物粗化动力学及测定碳化物尺寸来评定管段平均使用温度。
Coarseness of the microstructure is take-and temperature - dependent. Thus, a "mean" operating temperature may be estimated with study of the coarsening kinetics and measurement of carbide size.
显微组织的粗化(老化)直接与使用时间和温度相关，因而可通过研究碳化物粗化动力学及测定碳化物尺寸来评定管段平均使用温度。
Coarseness of the microstructure is take-and temperature - dependent. Thus, a "mean" operating temperature may be estimated with study of the coarsening kinetics and measurement of carbide size.
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