它必须是另一个提示请求，这次来自我们的垃圾收集器。
It had to be another tip request, this time from our garbage collector.
在该研究中，通过全国性抽样调查，他们每年随机选定5000名芬兰人邮寄问卷收集自我报告的饮酒情况。
In this study, self-reported drinking was collected through a nationally representative survey mailed annually to 5, 000 randomly selected Finnish citizens.
这些电子被引入一个球形金属收集器以产生电流，继而产生线圈的磁场——这样这个系统就可以自我维持了。
These electrons get funnelled into a metal spherical receiver to produce a current, which generates the wire's magnetic field - making the system self-sustaining.
应用推荐