不定期的

Therefore, we should regularly inspect the bolt and nut fastening and implemented in order to reduce unnecessary costs.

因此，应定期对螺栓和螺母进行检查并实施紧固，以减少不必要的费用。

Had had Menstruation Come wet philtrum, 27 people Menstruation Periodic and disorder: 13 people are nonsked appear Menstruation Interrupt a phenomenon.

已经有月经来潮的人中，27人月经周期紊乱：13人不定期出现月经中断现象。

This can be done by periodic quizzes which are designed to show students what they know, rather than what they don't (hence the term quiz rather than test) and by self-check lists of what students feel that they have learned at various stages through the book.

这可以通过定期测验来了解学生掌握了多少，而不是他们所不知道的和通过这本书所学到不同等级的知识的自我检测签单。

Our company also will offer self-drive tourist service at times to member, let you enjoy even more happy holiday tour!

本公司还将不定期为会员提供自驾车旅游服务，更让您体会到开心假日旅游的快乐！

Some people take sports drinks on a regular basis even if they are not exercising strenuously.

有些人采取定期，即使他们不辛苦的基础上行使运动饮料。

If the parties do not conclude it in written form, it shall be deemed an unfixed lease.

当事人未采用书面形式的，视为不定期租赁。

But what is unhealthy is the wholly unpoliced relationship between private agents and public-funded institutions, an arrangement that gives rise to quotidion collusion and occasional corruption.

但什么是不健康的是全 unpoliced 私人代理人之间的关系和公共资助的机构，这项安排引起 quotidion 勾结和不定期腐败。

Our game servers have been temporarily taken offline for unscheduled maintenance.

我们的游戏服务器已暂时采取离线不定期维修。

Luggage loss can be due to theft, misrouting or the unscheduled changing of planes.

行李损失的，可因盗窃， misrouting或不定期更换飞机。

Unseaworthiness of the ship at the time of the commencement of the voyage, unless where under a time policy the insured has no knowledge thereof

船舶开航时不适航，但是在船舶定期保险中被保险人不知道的除外；船舶自然磨损或者锈蚀。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。