periodic
英 [,p??r?'?d?k]
美[,p?r?'ɑd?k]
- 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》