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This paper introduced the steel bar cutter's state-of-the-art both domestic and abroad, the research work was based on the programe of the vested hydraulic system of the steel bar cutter, and then proceeded the optimum design for it.

本文对国内外钢筋切断机发展的历史和现状进行了介绍，研究工作在已有的钢筋切断机液压系统方案基础上，对其进行了优化设计。

This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different.

分析了工件材料、形状不同时，钻尖顶角的大小对麻花钻切削性能及寿命的影响，介绍了麻花钻的钻尖顶角的选择。

Based on practice of cyanidation leaching with air agitation cyanidation trough in Wulaga Gold Mine,this paper briefly introduces the principle of trough work and its application in practice,and analyzes its performance characteristics,advantages and disadvantages.

结合乌拉嘎金矿的氰化浸出作业应用空气搅拌浸出槽的实践，简要介绍了空气搅拌浸出槽的工作原理和生产应用情况，并分析了其性能特点及优缺点。

This paper has described several influential factors concered with determination of work capacity of screw friction press with copper cylinder adopted as specimen, and analysed the variation law of effects of several factors on tho result of calculation.

全—一A： 2(1)由于滑块的速度和飞轮转动的角速度之间有确定的关系，所以一般测量滑块的移动速度从而确定压力机的做功能力(滑块与螺杆的动能在这里略而不计)。

If the low-speed machines "dead weight" down prematurely, resulting in lateral control drawing is not complete and paper La resistance of phenomenon, in such a situation, you should down to resize "dead weight" pressure "dead weight" in the side control raised when you were not lifted, sometimes down to the technical issues in turn make an adjustment, such as "dead weight" lift up the time properly, too, would like to stress the work of the side syndiospecific faster time-to-side gauge time control of cam to the machine up forward direction.

如果矮速机的"千斤"上去过早，致使侧规不推纸处事还来达成不离受阻辛而变成纸弛不推不到位的不隐象，在这种环境下，答当停机来从头调动"千斤"的不张辛，使"千斤"在侧规给抬起来而未抬起来时压上去，有工夫，给把此技艺题目不侧过来举不静调动，如"千斤"抬起工夫侧常，不张辛也侧常，则给调迟侧规的处事工夫，把侧规处事工夫的把持凸轮向机械侧不停标的目的调迟一些。

The main work of this paper is composed of three parts: the first one is the normal Kalman filtering for the signal of Global Positioning System; the second one is the extended Kalman filtering for the signal of Dead Reckoning; the last one is the information fusion between GPS and DR.

本论文的工作主要分为三大部分：第一是对全球定位系统的信号进行标准的卡尔曼滤波，第二是对航位推算的信号进行扩展的卡尔曼滤波，第三是将二者的信息进行融合。

Therefore, disease in the population has become more common recently. In view of this, submicron Negative-Ion powders and excited materials were adopted in this research. The submicron NI powders and excited material powders were treated with a dispersing agent and a ball mill used first, then it was blended evenly into water-borne polyurethane by a planetary deaerate stirring machine, and finally the water-borne PU composite films were coated onto release paper with a coating rod. The main purpose of this work is to manufacture a permanent composite film which is able to release NIs. Such film is expected to not only release amounts of NI but also absorb smells and effectively create fresh air.

有鉴於此，本研究采用次微米负离子粉体及激发材，先添加分散剂后利用球磨机做处理，再将次微米负离子粉体与激发材添加至水性聚氨基甲酸酯中，经由行星式脱泡搅拌机均匀混合，再以湿式涂布法，经由涂布棒涂布於离型纸上，脱膜后成复合薄膜，制备出於空气中释放负离子、吸收异味且清洁空气之永久型复合薄膜。

I never went out a fishing or shooting; a book, indeed, sometimes debauched me from my work, but that was seldom, was private, and gave no scandal; and, to show that I was not above my business, I sometimes brought home the paper I purchased at the stores through the streets on a wheelbarrow.

我从不从事钓鱼和打鸟的活动；真的，有时只有一本书打扰我的工作，但那也是难得的，并且很适当，也不会受议论；而且为表示我没有看不起我的职业，有时我把店中购办的纸张装在手推车上，直接穿过街道，推回家中。

By combining with the author's own research work, the progresses of study on sperm egg identification, acrosomal reaction, cortical reaction, and formation of male and female pronucleus in decapod crustacean are reviewed in the paper.

结合作者近期的研究工作，从精卵识别、顶体反应、皮层反应、雌雄原核的形成和结合等方面综述了近年来十足类甲壳动物受精细胞学方面的研究成果，并展望了这一领域的研究与应用前景。

Combined with DMU70V, from DECKEL MAHO, this paper presents a full work report as follows:Giving a compositive demonstration about the comparison of all type of CAD/CAM systems available in the macket , developing the proper one as the fundamental system for the study; Creating and programming the DMU70V-CAD/CAM Documentary system; analyzing Free feature modeling from the point of HSM and machining technics of 5-Axis production and the measure of HSM carried through;developing the postprocess document of HEIDENHAINTNC426 Controller which is now used on DMU70V.

同时结合德国MAHOO公司的DMU70V五坐标数控加工中心的实际情况，着重就CAD/CAM支持系统的选择论证和综合分析、CAD/CAM文件系统管理规划、基于高速加工角度的功能曲面的建模及其分析、加工过程的工艺规划和高速加工策略实现的方法、HEIDENHAINTNC426控制器后处理技术五个方面进行了探讨研究。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。