1.
The From date for the period must be earlier than the To date.
时间段的起始时间不能晚于结束时间。
2.
Instant and interval temporal operation extension based on ATSQL2
基于ATSQL2时间点与时间段时态操作扩充
3.
A period of100years.
百年一百年的时间段
4.
Saturate flow interval
饱和流时段（间段）
5.
The extent of time between two events; an intervening period.
时间间隔两件事发生时间的间隔，一段间隔
6.
He's been gone for some time
他已离开了一段时间，
7.
You had better feed on coarse cereals for a time.
你最好吃一段时间杂粮。
8.
We do not want to miss this opportunity for development.
我们不要放过这段时间。
9.
We talked ( to each other ) for a long time.
我们谈了好长一段时间。
10.
follow on; follow along on
经过一段时间再继续
11.
time constant range
时间常数区段反应堆
12.
Ten years is a long time.
10年是一段很长的时间。
13.
I was temporarily delayed.
我被耽误了一段时间。
14.
A period of darkness and gloom.
一段黑暗阴暗的时间
15.
tryto gain time by delaying
（以拖延的手段）争取时间.
16.
He was learning to drive a car during that time .
那段时间他在学习驾驶。
17.
have a browse in a bookshop
在书店浏览一段时间.
18.
He comes back to see us at regular intervals.
他每隔一段时间就回