查询词典 practice drill

The dialectical-materialist theory of knowledge places practice in the primary position, holding that human knowledge can in no way be separated from practice and repudiating all the erroneous theories which deny the importance of practice or separate knowledge from practice.

辩证唯物论的认识论把实践提到第一的地位，认为人的认识一点也不能离开实践，排斥一切否认实践重要性、使认识离开实践的错误理论。

The author particularizes its four manifestations.firstly,only accepting that practice tests theory,and not accepting that theory tests practice;secondly,simply and unilaterally understanding the theory originated from practice;thirdly, simplifying and vulgarizing the theory innovation;lastly,simplifying and vulgarizing applying theory to practice.

本文认为在我国理论界和实际工作者中存在着一种片面强调实践的重要性、忽视或不能全面理解理论对实践的能动作用的惟实践主义倾向，从理论与实践关系复杂性的角度并列举了其四种表现：(1)只承认实践检验理论，不承认理论检验实践；(2)对理论来源于实践作简单片面的理解；(3)把理论创新简单化、庸俗化；(4)把理论联系实际简单化、庸俗化。

Metalworking practice, specialty principial practice, specialty professional practice, graduation practice, specialty course design, graduation design.

本专业主要实践环节包括：金工实习、专业认识实习、专业生产实习、毕业实习、专业课程设计、毕业设计等。

Man who regards practice as its mode of life is sure to show rational concern and value self-examining to man"s past practice activity in order to restrict and guide its now practice and future practice. Therefore it will promote the overall development of the human society and man"s free and overall development.

以实践为其存在方式的人类，必然会给予人类既往的实践活动以理性关注和价值反思，以期规约和范导人类的现实实践和未来实践，从而推进人类社会的全面发展和人的自由全面的发展。

I know it is not a practice, and I understand why you so emphatically repudiate any kind of practice, drill, system, discipline or routine.

我知道这不是一种练习，而且我也明白你为什么如此强调否定任何形式的练习、训练、体系、戒律以及例行程序。

The frequency about 16KHZ the permeabIe feverΦ60 about work Piece,mayweld many kinds of hard aIloy tools 1、the standard Piece.the faslener heat upset 2、drill rod steel,drill rod utensil drawing-back,forge,squeeze the warmup waiting 3、Welding of diamond saw.drilling tool 4、Bit,coal aiguille,rivetting the pole aiguille,welding of the pick 5、Lathetool,planer tool,milling cutter and welding of different woodwork cutters

为了解决上述弊端，采用新型空气冷却器一次换热，传热管形成高热流密度，由快速的空气流把热量散发到大气中去。纯净水在新型的空气冷却器和高频加热设备内闭路循环，被冷却系统长期不结水垢，不被异物堵塞，冬季在冷却水中加入防冻剂杜绝了水路被冻坏的故障。

The part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or drill .

钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用在钻柱钻柄或钻床上。

The cutting part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or drill press .

的切割部分；通常是尖头的有状图案并且可以更换，用在钻柱钻柄或钻床上。

"A pointed and threaded tool for drill ing and boring that is secured in a brace, bitstock, or drill press."

曲柄、钻柄或钻床之上用于钻孔的尖头工具。

The main product in company has:Hand electric drill,pound at the electric drill and give or get an electric shock the,Cape face to dub out the machine and give or get an electric shock to plane,fix the side machine,The material of incises the,electricity buzz saw,molding tool electricity whets the etc.,and have passed the ISO9001 quantity system attestation,acquiring the Chinese electrician the product committee the Great Wall attestation,And common in the state of electrician product committee GS,CE,EMC attestation etc...

公司主要产品有：手电钻、冲击电钻、电锤、角向磨光机、电刨、修边机、石材切割机、电圆锯、模具电磨等，并已通ISO9001质量体系认证，获得中国电工产品委员会长城认证，及欧洲共同体电工产品委员会GS，CE，EMC认证等。本公司不断致力于新产品的开发，以满足日益增长的市场需求。竭诚欢迎国内外新老客户光临洽谈、精诚合作、共创辉煌明天。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。