periodic
英 [,pɪərɪ'ɒdɪk]
美[,pɪrɪ'ɑdɪk]
	    - adj. 周期的;定期的
 
实用场景例句
- Periodic checks are carried out on the equipment.
 - 设备定期进行检查。
 
牛津词典
- Mailing lists are updated periodically.
 - 邮寄名单定期更新。
 
牛津词典
- Periodic checks are taken to ensure that high standards are maintained.
 - 定期检查以确保维持高水准。
 
柯林斯高阶英语词典
- ...periodic bouts of illness.
 - 周期性发病
 
柯林斯高阶英语词典
- Atomic structure and the periodic table.
 - 原子结构和元素周期表.
 
期刊摘选
- Implement equipment periodic maintenance and maintenance plan.
 - 设备的定期保养及维修计划实施.
 
期刊摘选
- When workers think a periodic purge is imminent, everyone feels equally threatened.
 - 当员工听说要定期裁员时, 人人都同样地感到受威胁.
 
期刊摘选
- TITLE: Which thyroid cancer patients need periodic stimulation tests?
 - 题目: 那类甲状腺癌患者需要定期刺激试验?
 
期刊摘选
- Elected officials must reelection at periodic intervals, when their record is subject to intensive public scrutiny.
 - 选举产生的官员必须定期接受改选, 届时其业绩要受到彻底的公开审查.
 
期刊摘选
- A wave that repeats, like the one above, is called a periodic wave.
 - 如上图所示的周期性的波, 称之为周期波.
 
期刊摘选
- Some commercial laboratories use periodic nitrate tests as guides.
 - 许多商业性的试验室已应用定期的硝态氮分析作为指导.
 
辞典例句
- Like macroeconomy, the development of real estate industry also shows a phenomenon of periodic fluctuation.
 - 与宏观经济运行过程中一样, 房地产业也客观存在着周期波动现象.
 
期刊摘选
- The process of mineral resources exploration and exploitation has periodic, progressive and repeated features.
 - 矿产资源勘查开采过程具有周期性 、 反复性和渐进性的特点.
 
期刊摘选
- The policy reversal as shortages spread the capital, which is usually the country's periodic supply crunches.
 - 政府政策出现逆转,是因为短缺问题已经蔓延到了首都北京.通常情况下, 北京不会受到中国每隔一段时间会发生的供应短缺影响.
 
期刊摘选
- These arrangements are subject to periodic reviews.
 - 这几项安排每隔一定时间须予复查.
 
《现代汉英综合大词典》
- The interaction properties of periodic waves are found to be inelastic.
 - 研究了这些周期波之间的相互作用,发现其相互作用是非弹性的.
 
期刊摘选
- The number of complete cycles of a periodic process occurring per unit time.
 - 生命周期是经济学中用的一个术语.
 
期刊摘选
- Discretionary fixed costs arise from periodic ( usually yearly ) budget decisions that reflect top management policies.
 - 可自由处理固定成本产生于反映高层管理人员政策的定期 ( 通常是一年 ) 的预算决策.
 
期刊摘选
- Valuations not yet subject to systematic periodic adjustment.
 - 评估还没有系统的周期性调整.
 
期刊摘选
- The survival strategy of herpes simplex virus centers on developing latent infection and periodic reactivation.
 - 单纯疱疹病毒在体内的生存策略是建立潜伏感染,一定条件下被激活而致病情复发.
 
期刊摘选
- According to Mendeleyev's periodic table, there seem to be still some elements undiscovered yet.
 - 按照门捷列夫周期表, 似乎还有一些元素尚未发现.
 
期刊摘选
- A method of target classification based on JEM periodic signature is proposed.
 - 提出了基于JEM周期特征的目标分类方法.
 
期刊摘选
- Another example is the F ring, whose periodic clumps seem to have been imprinted by Prometheus.
 - 环是另一个例子, 它起伏规律的纹块似乎是由土卫十六印制出来的.
 
期刊摘选
- Some existence theorems of periodic traveling wave solutions for this kind generalized BBM equation are given.
 - 在给定的参数条件下,得到了该方程光滑孤立波解及周期行波解的所有可能的显式表达式.
 
期刊摘选
- Periodic change imposed on a controlled variable or a function by a controller.
 - 通过控制器控制某一变量或函数进行周期性变化.
 
辞典例句
- Long long ago, we knew the periodic motion of a planet.
 - 很久以前, 我们就知道行星的周期运动.
 
《简明英汉词典》
- We study the property of complex periodic function, and obtain some correlation results.
 - 对复周期函数的性质进行了一些研究, 得到了若干有关的结果.
 
期刊摘选
- The method can be used in the measurement of periodic and nonperiodic signal.
 - 该方法可以被广泛地应用于高精度频率、时间及相位等信号的测量.
 
期刊摘选
- Periodic checks are carried out on the equipment.
 - 设备定期进行检查。
 
《牛津高阶英汉双解词典》