At intervals 和 at the interval.At intervals 和 at the interval两者的含义分别是什么?

At intervals 和 at the interval.At intervals 和 at the interval两者的含义分别是什么? at intervals为什么interval是复数 stop at the intervals怎么翻译呢 at intervals和on occassion都可以表示间断,请问二者有何区别? the clock strikes at intervals of an hour.然后interval At the 27th Since we have a focused subject,we should not talk____A.at once b.at hand c.at intervals d.at random 英语翻译three bue services operate from the same depot.the first service leaves at 10 minute intervals,.the second at 15 minute intervals and the third at 25 minute intervals ,all three services leave the depot together at 08:00 .find the time wh in the interval和in the intervals 有什么区别么?加了S和不加有没有什么区别?另外two tablets at four interval 这里为什么不+S呢? 英语翻译you can schedule the N3200 to capture images from a connected USB webcam at designated intervals. batch processing 是什么?batch processing is where transactions are grouped and stored before being processed at regular intervals 翻译 those of us who wear glasses should have _____ eyes examined at regular intervals.A theirB ourC hisD her those of us who wear glasses should have （）eyes examined at regular intervals A their B our at the turn of 20th in the early part of the 19th century 和 at the beginning of the 19th century 的区别. 英语翻译He sat in his arm-chair at the head of the table,and nodded gravely at intervals as the animalstold their story 英语翻译Standard Penetration Tests have been executed in each bore hole at 3ft.intervals upto 15ft depth and 5ft intervals from 15ft depth to the final depth of exploration. at