查询词典 periodic

With this system,2D periodic structure with the period of 900 nm is fabricated but defect is introduced.

使用此实验系统制作出了周期为900 nm的二维结构以及周期为数十微米的带缺陷结构。

In the case of the periodic monitoring system, the measurement equipment calibration is usually performed before every measurement set.

在定期监测制度的情况下，测量设备校准通常是每次测量之前进行设置。

You can do this by offering to update their systems each year or by offering to run periodic system checks.

你能做到这一点，提供每年更新系统或提供系统开办定期检查。

At the same time, it is observed that the response of the coupling system is almost periodic under some condition.

同时，发现上述耦合系统在一定条件下会出现概周期响应。

Article 19 Tax authorities shall adopt a system of periodic inspection and replacement of tax registration certificate.

第十九条税务机关对税务登记证件实行定期验证和换证制度。

Noise is measured at one or more base stations in a mobile communication system during periodic silence periods.

在周期性无声期期间在移动通信系统中的一个或更多基站上测量噪声。

Periodic inspection of the system by a qualified plumbing and heating technician is recommended.

系统的定期检查建议由有资格的管道和暖工程技术人员进行。

Objective To introduce a system of detecting periodic legs movements in sleep based on personal area network.

目的 探讨基于个人体域网监测睡眠中周期性腿动事件的方案。

In Chapter 3, a classical periodic Lotka-Volterra predator-prey system with impulsive effects are investigated.

第三章提出并系统地研究了具脉冲效应的周期Lotka-Volterra捕食-被捕食系统，分析了系统的各种正解的动力学行为。

We had a quiz on periodic table of elements, i thought i did good.

我们在元素周期表有一次测验，我认为我做了好。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。