各个政府部门的服务都是不定期的。
1995年以来，多次不定期地举行。
本代理协议的期限是不定期的吗。
这里有好多好东东，不定期更新哦！
Here are so many good things which are updating without a fixed schedule!
河道如果不定期疏浚，就会积满淤泥。
The channel of the river will fill up with mud if not regularly dredged.
我也会不定期的来看望大家！
你如果不定期清扫垃圾，它就会积起来。
If you don't clear away the rubbish regularly, it will just accumulate.
或许，不定期的想一下我们的限界比较好。
我会不定期提供支持。
因此， 不定期的强化面膜也是十分有必要的。
Therefore, the enhanced mask from time to time is also very necessary.
航运市场分为两类：班轮运输和不定期船运输。
There are two types of shipping markets: the linker market and the tramp market.
可以定期或不定期。
我想买一张十二月一日去伦敦的回程不定期往返票。
到中国去的平信要靠船运。而船的航班是不定期的。
Ordinary mail to China goes by boat and the sailings are irregular.
他经常出远门，所以我们就是维持着不定期的关系。
He goes out of town a lot, so we're just doing this casual thing.
是否在为应对接二连三，不定期的客户验厂而烦恼？
Whether to cope with successive, customer audits from time to time to worry?
好。我能否承租不定期运输船来降低我的运输费用呢？
Good. Can I get lower transportation charges through slow irregular transit time?
如果你不定期给发动机注油，它不定那天就会突然卡住。
If you fail to oil the engine regularly, it would seize up without warning.
学校会安排工作人员在晚上对宿舍进行不定期的抽查。
The school will check the dormitory on a random basis to verify students are present.
在健康教育方面，中国与发达国家不定期有一定的距离。
There is a certain gap between China and developed countries in health education.
不定期票可以很好地利用航班资源，提高航空公司收益。
Aperiodic ticket can make use of flight's seats which bring out revenue for airline.
与国内外权威机构合作，不定期在世界各地举行培训课程。
Cooperate with domestic and international authorities to organize training programs around the world.
我们有更多的人等着你的了解并且不定期很快向你介绍他们。
We have many more people for you to meet and will introduce you to them soon and in no particular order.
下午好，先生。我想买一张十二月一日去伦敦的回程不定期的往返。
Good afternoon, Sir. I'd like to buy an open return ticket to London for.
而且还有不定期的特惠机票以及各大航空公司的优惠信息等着您呢。
And discount air ticket and other profit information is waiting for you in unfixed term.
美国的煤电厂平均一年有12.5%的时间用来做定期或不定期的维护。
The average U.S. coal plant is offline 12.5 percent of the year for scheduled and unscheduled maintenance.
闲适地或不定期地从一个地方到另一个地方，尤指无目的或无固定职业地。
To move leisurely or sporadically from place to place, especially without purpose or regular employment.
闲适地或不定期地从一个地方到另一个地方，尤指无目的或无固定职业地。
To move leisurely or sporadically from place to place, especially without purpose or regular employment.
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