At intervals the sky would empty ; the planes disappeared .
轰炸间隔时，天空上的飞机暂时消失了。
Who should receive notification at intervals ?
谁应该定期收到通知？
During orgasm both female and male genitals swell with blood their pulse races and muscles contract involuntarily at intervals of 0.8 seconds ( approximately ) .
在性高潮中，女性和男性都生殖器充血，脉搏跳动，筋肉不自觉的以0.8秒的时间间隔收缩（大约的数目）。
I see my community psychiatric nurse ( cpn ) at intervals varying according to how well I am and when I am at my worst nurses and others from the local home treatment team visit me at home .
The folds of its gigantic tail could be seen far away rising at intervals from the surface .
老远就能看见它巨大的尾巴上的皱槽，不时升出水面。
These were then killed one at a time at intervals over the next 141 days and the contents of their digestive tracts examined .
在接下来的141天里，他们每隔一段时间就杀掉一只水蛭，并对它们消化道中的物质进行检验。
Email is sent at intervals at this step .
在此步骤中电子邮件按间隔发送。
It is no problem to have radar stations and navigational beacons dotted at intervals of a few dozen miles all across the east coast of the u. s. - or the east coast of china as well .
在美国的东海岸或者中国的东部海岸，设置雷达和以几十英里的间隔设立导航灯塔都是没有问题的。
The extended working range can be operated at intervals .