1.
Law of falling bodies: per second, per second.
落体的规律，每秒钟，每秒钟。
2.
Thirty two feet per second, per second.
每秒三十二英尺，每秒钟。
3.
Per second for every second it means.
每秒钟的意思就是每一秒钟。
4.
orders per second
每秒的指令数;每秒指令数;每秒钟的指令数目
5.
Each second it moves about 27 cm.
每秒钟要走动约27厘米.
6.
Every second count+ [ 1 ] s.
每秒钟都很重要。(分秒必争)
7.
A high-precision atomic clock with an accuracy of less than a second per twenty million years
一种高精度的钟，每2000万年只差1秒
8.
Every minute counts.
每分钟都很重要。（分秒必争。）
9.
This machine can roll off two prints a second.
这台机器每秒钟可复制两张图片。
10.
Middle C is equivalent to 256 vibrations per second.
中央C音相当于每秒钟振动256次.
11.
Light travels very fast. It moves at 300,000 kilometres a second.
光传播得很快，每秒钟300，000公里。
12.
The nitrogen atom in ammonia, for example, vibrates 24 billion times a second.
例如，氨分子中的氮每秒钟振动240亿次。
13.
The distance that light travels in one second is 300,000 kilometers.
光每秒钟所通过的距离是30万公里。
14.
"Now light travels at 186,000 miles per second. "
光速是每秒钟十八万六千英里。
15.
The number of packets per second from this flow which have been scheduled
每秒钟从这个流量中计划的数据包数
16.
The number of bytes per second from this flow which have been sent
每秒钟从这个流量中发送的字节数
17.
The number of bytes per second from this flow which have been scheduled
每秒钟从这个流量中计划的字节数
18.
The photo electric reader is capable of scanning character at the rate of two thousand a second.
光电阅读器每秒钟能扫描两千字。