不定时

If you call it with an interval value of zero, the timer will deactivate.

如果你设置它的值为零，则定时器将不起作用。

Processors, memories, and input／output devices. Each device is autonomous, and no device is dependent upon another for its timing.

处理器、存储器和输入输出设备等在系统中可以独立工作且其定时不依赖于其它设备的设备。

Thus the volume of employment is not determined by the marginal disutility of labour measured in terms of real wages, except in so far as the supply of labour available at a given real wage sets a maximum level to employment.

而在实际工资既定时，所可能提供的劳动供给量仅仅决定就业量的最高水平，消费倾向和新投资量二者才决定就业量，就业量又唯一地决定于既定的实际工资水平——而不是颠倒过来。

When people are least sure, they are often most dogmatic.

当人们越不确定时，他们经常越固执己见。

Because there is fixed time counts error, therefore requires the non-periodical time.

由于定时计数存在误差，所以需要不定期调整时间。

However, when making spur-of-the-moment entertainment or social choices, suggest frugally but don't point it out.

不过，在突然要做游玩和社交决定时，虽然也可做出节俭的建议，但是不要说破。

They also focus on whether the effect of project inflexibility is worsened when there is turbulence in the firm's technological and market environment.

作者还关注，当企业的技术和市场环境出现不稳定时，项目的不可变性的影响是否变得更加糟糕。

There at the entrance, you can see the big make-shift garbage station of joss-sticks and joss papers discarded by visitors who have been duped into buying from the innocent-looking old ladies.

天晓得'可怜的老人家们'是不是定时到这儿拾起'新货'，在到地铁出口再求你'可怜可怜老人家'？

However, for patients with significant co-existing medical diseases and/or whose medical status may be questionable, there should be an evaluation completed by the internist or medical subspecialist.

对明显伴有其他疾病和医疗状况不稳定时，需要由内科医生和专科医生作出完整的评估。

5 ml fresh chicken semen was divided into five groups equally, each of which was diluted at the volume ratio 1:4. With the group without magnetic treatment as the control, the other four groups were magnetized for 6, 12, 24 and 48 min in the self-made magnetizer, respectively. Subsequently, all the five groups were stored at 2-4 ℃, and the sperm motility, survival time, survival index and deformity rate were observed regularly.

方法］将5 ml新鲜精液平均分为5份，每份按1：4进行稀释，其中1份为对照组，不作磁化处理，其余4份分别放入自制磁化器中磁化6、12、24、48 min，5组均置于24℃的冰箱中保存，定时观测精子活率、存活时间、生存指数和畸形率。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。