周期

A novel four-dimensiond hyperchaos system with only one nonlinear term is reported. The Lyapunov exponents spectrum, periodic orbit, quasi- periodic orbit, and the chaos and hyperchaos attractor of this system are obtained.

构造了只包含一个非线性项的四维超混沌系统，得到了系统的Lyapunov指数谱、周期轨道、拟周期轨道、混沌和超混沌吸引子。

The electric potential oscillation including periodic oscillation,quasi- periodic oscillation and turbid oscillation of carbon steel/H2SO4＋ K2Cr2O7/Pt system has been studied.

刘靖研究了碳钢/H2SO4+K2Cr2O7/Pt体系中的电位振荡现象，如周期振荡、准周期振荡和混沌振荡等，并对其振荡机理进行了初步分析和讨论。

Objective To investigate cell cycle distribution of radiosensitive cell line SX-9 after X-ray irradiation and the relationship between radiosensitivity and cell cycle distribution.

通过对小鼠乳腺癌放射敏感细胞SX 9照射前、后细胞周期分布及其 p5 3基因状态等研究，初步探讨其放射敏感性与照射后细胞周期阻滞的关系。

Schedule objects contain information on run date and time and recurrence patterns.

调度周期对象中含有作业的执行日期时间及作业周期执行的模式。

The time interval between two successive occurrences of a recurrent event or phases of an event; a cycle.

周期两个连续出现或反复出现的现象或事件间的时间间隔；周期循环

Physics Astronomy The time interval between two successive occurrences of a recurrent event or phases of an event; a cycle.

周期：两个连续出现或反复出现的现象或事件间的时间间隔；周期循环

The conditions with periodic solution are discussed in detail relating to fractional linear recursive relation of first order and some useful conclusions are obtained.

对一阶分式线性递归关系具有周期解的条件进行了详细讨论，得到若干有用的结论；对二、三阶分式线性递归关系，分别列举了一个具有周期解的例子，并对解的周期性进行了验证。

In the light of delayed coke operation in Petrochina Jinzhou Petrochemical Company,and in consideration of the major factors affecting the longterm operation of the coke,the purpose of reducing coking in furnace tubes,coke tower gas pipelines and fractionators were all analyzed.

结合中国石油锦州石化公司延迟焦化装置的实际运行情况，从加热炉、焦炭塔大瓦斯管线和分馏塔结焦方面，分析了制约延迟焦化装置长周期运行的主要因素，在此基础上，给出了该装置为延长运转周期所采取的一些措施，并提出了改进建议。

Besides, the spectrum property of the phase shift LPG with different phase shift in different position and parallel or cascade LPG were also analyzed and studied. The fiber gratings parameter and combination fit for refractivity measure were selected.

此外，还分析和研究了在不同位置引入不同相位跳变的相移光栅、并联长周期光纤光栅以及级联长周期光纤光栅的光谱特性，选择出适用于折射率测量的合理光栅参数及光栅组合方式。

Looking at the world, with an average of 7 years for an economic cycle count, 25 years only three a little more than the economic cycle, the relative of a city's real estate market in the long road of development, the Canton luxury residential real estate market is actually still in its infancy therefore the future of its development will be phenomenal!

放眼世界，平均7年为一个经济周期的数量， 25年只有3个多一点的经济周期，相对的一个城市的房地产市场在长期的发展道路，广东豪华住宅房地产市场实际上仍处于初创阶段的未来，因此，其发展将是惊人的！

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。