无齿的

In order to reducing the cogging torque of PM brushless direct current machines,an analytical method,which was based on energy method and Fourier expansion,was proposed,which can express how to match slot and pole to reduce cogging torque.

为了削弱永磁无刷直流电动机的齿槽转矩，首先利用能量法和傅里叶分解法进行分析并提出了减小齿槽转矩的最佳极槽配合。

The mechanical transmis-sion is composed of high precision gearwheel and gear bar together with germany made low clearance and peg-free planetary gearwheel reducer. the mechanism is equipped with automatic clearance compensation device, which enables a clearance-free transmission and ensurea teh good performance and precision of the cutting machine.

机械传动采用高精度齿轮齿条及德国原装低隙免键行星齿轮减速器，机械结构增设自动补偿齿隙装置，使之做到无隙传动，保证了切割机良好的使用性能和精确度。

Based on the matchable length of the replacement odontostyle and functional odontostyle, and also the evident gap of the replacement odontostyle and total stylet length, between the four successive stages of juveniles and its female in each population, it assured that each population was not mix with other morphologically similar Xiphinema species.

由每一群的雌虫及其4个前后龄期幼虫间的替代齿针和功能性齿针的长度相当接近，以及替代齿针和总口针的长度具有明显区隔的结果，这10群剑线虫中都无混杂其他形态类似的剑线虫种类。X。

This paper develops a mathematical model for the solution to the longitudinal tooth curve of an internal gear shaver based on the simplified principle for space transmission of a helical gear pair without flank clearance,and proposes a calculating approach of the profile modification of the grinding wheel to be used for grinding the longitudinal tooth curve of the shaver.

用简化的空间螺旋齿轮作无侧隙啮合传动的原理，建立了求解内剃齿刀齿向曲线的数学模型，并给出了修磨这种齿向曲线的盘形砂轮的廓形计算方法。

Stipules absent. Leaves alternate, simple, odd-pinnate, or digitately trifoliolate; blades of simple leaves entire at margin, those of compound leaves crenulate, crenate, lobulate, or rarely entire at margin.

托叶无。叶互生，单，奇数羽状复叶，或者掌状具三小叶；单叶的叶片边缘全缘，复叶的边缘具细圆齿、圆齿，或具小裂片，或者很少边缘全缘。

Lower lip of calyx 2-toothed less than 1/3 its length; posterior-lateral lobes of corolla limb subcircular; plants subglabrous

花萼2齿少于1/3其长度的下唇；花冠瓣片近环形的后唇瓣侧面裂片；植株近无毛 17 Teucrium bidentatum 二齿香科科

The main products are: R Series Hardened helical gear reducer, S series helical gears - worm reducer, K Series helical gears - spiral bevel gear reducer, F series parallel shaft helical gear reducer, T series of spiral bevel gear to me , RV series aluminum alloy Worm Gear reducer, MB series of mechanical friction planetary CVT, hardened cylinder gear reducer and specifications of the various types of special gear, the worm reducer the design and manufacture.

R系列硬齿面斜齿轮减速机、S系列斜齿轮-蜗轮减速机、K系列斜齿轮-螺旋伞齿轮减速机、F系列平行轴斜齿轮减速机、T系列螺旋锥齿轮转向箱、RV系列铝合金蜗轮蜗杆减速机、MB系列行星摩擦式机械无级变速器、硬齿面圆柱齿轮减速机及各类特殊规格的齿轮、蜗轮减速机的设计制造。

For many years ,by adhering to the principle of customer foremost,Shanghai Saini Company has been always engaged in the production of R series coaxial hard gear surface column gear speed reducers, S series gear worm speed reducers, F series parallel axis gear speed reducers, K series spiral umbrella gear speed reducers, RV series worm speed reducers, MB, MBN planet taper disc stepless speed variators, WH/WB series high power gear speed reducers, cycloid pin gear speed reducers and other types of universal and special speed reducers.

多年以来，上海赛尼传动设备有限公司秉着客户至上的原则，专业生产WR系列同轴式硬齿面圆柱齿轮减速机，WK系列弧齿锥齿轮硬齿面减速机，WF系列平行轴斜齿轮减速机，WS系列圆柱蜗杆减速机，RV系列蜗杆减速机，MB、MBN行星锥盘无级变速机等其他类型通用的和专用的减速机，被广泛应用于舞台机械、食品、包装、陶瓷、制药、纺织、环保等诸多领域。

An auxiliary power motor with improved structure includes wheel shell, rotor ring, stator plate, central wheel axle and control circuit.

一种改良结构的辅助动力马达，包括轮壳、转子环、定子盘、中心轮轴及一控制电路，转子环的内环面埋设磁铁，定子盘周围固设环形矽钢片，其外环面具有多个T形齿牙，其齿数为非转子环磁铁数的公倍数，矽钢片设有三相星形线圈绕组，且于定子盘电机最佳启动角度处设有霍耳元件组；借此将定子盘固设于中心轮轴，令轮壳夹设住转子环并套设于中心轮轴两侧，当转子环旋转时，即可降低磁极间的钝齿转矩，令电动车行进更加顺畅无噪音。

The results show that the movements of tongue during swallowing are related to the dentofacial morphology especially in the motion magnitude of the early final phase, while only few correlations are found when analyzing the duration and speed of swallowing.

结果显示：舌头吞咽运动与齿颜面形态间是有相关的，尤其以早期终止期的运动振幅和齿颜面形态的相关性最为显著，而运动持续时间及速度与齿颜面形态间较无相关。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐