They put a frog in his bed as a practical joke.

们床上放了一只青蛙来捉弄。

It's a theoretical matter as well as a practical one.

这不仅是个实践问题, 也是个理论问题。

This fault characteristics of rota ting stall have been successfully valida ted practical diagnosis.

该故障特征现场诊断时得到验证，并成功应用于现场诊断。

Stylish yet practical this everyday workbag will help you manage your daily essentials.

不仅时尚，此实用公事包能帮助您处理所有日常业务。

His Utopia is not a chimerical commonwealth but a practical improvement on what already exists.

乌托邦不是空想联邦，而是对那些已经存联邦事实上改进。

This paper gives a practical research.Usually,fluorescent lamps are drived by monophase alfernating Current.

本文介绍了将荧光灯由常用单相交流供电改为相交流供电燃点方法。

The practical wisdom of teachers holds the properties of being individual, situational, generative, inexpressive, integrated.

教师实践智慧具有个体性、情境性、生成性、缄默性、综合性等特点。

He lacks practical experience.

缺乏实践经验。

He is a practical person.

是位很讲实际人。

He is studying practical English.

学实用英语。

Your idea isn't wholly practical.

你想法并非完全现实。

The sale was supposed to last for a week, but for all practical purposes it's over.

减价销售原来预料要持续一周, 然而实际上已经结束了。

On the basis of practical and theoretical analyses, we designed this measuring perpendicular ruler for direct redout.

又实践和理论分析基础上,介绍了自行设计直接读数测量角尺及其实用价值。

Piano improvisatory accompaniment is not only a subject including composition and performance but also a practical performing art.

钢伴奏既是一门融创作与演奏为一体综合学科,同时又是一门实用性很强表演艺术。

The new collections of custom furs around town reveal plenty of folderol , but there are practical things too.

市上大批新定做皮衣中有许多是华而不实,但也有一些实用东西。

With the nonstatic pictures of practical conference television and broadcasting television, there exist very complicated intraframe and interframe correlations.

对于广播电视、会议电视等活动图象来说,帧内和帧间都有较复杂相关性。

Hydro-jet impacter is used to make deep well simulation test in lab, its feasibility is confirmed in practical application.

液动射流式冲击器实验室中进行深井模拟试验,其可行性实际应用中得到了验证。

The book provides a simulation project named NOMAS for students to learn systems analysis and design through practical work.

本书通过一个名为NOMAS模拟项目，利用实践方法学习系统分析和设计。

It was recommended that the HPLC and nonaqueoustitration can be used for the detection of sodium gluconate in practical production.

其中HPLC法和非水滴定法较方便且有较好实用性,可以用于葡萄糖酸钠工业生产中。

The practical investigation on the razor blade of scissors of steel plate was conducted and it's life was improved notablely.

并且钢板剪切机刀片上作了实际考核，寿命大大提高。