无误差

Prove it's admissibility and give Hemmerle and Brantle's method of choosing the ridge parameters.

证明其容许性并利用Hemmerle和Brantle用于确定广义岭估计参数的方法给出极小化均方误差的无偏估计法选取岭参数。

The expressions of undifferentical side set change speed gear about machining cylindrical helical gear with spline miller are given as well as the expressions of side set change speed gear ratio.

文章给出了用花键铣床加工圆柱斜齿轮的无差动分齿挂轮公式，并用微分法推导了分齿挂轮比的计算允许误差要求的计算公式。

Stepper motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal. Because of having the advantage of easy open-loop control and no accumulating error, stepper motor is being applied widely in many fields.

步进电机是一种将电脉冲信号转换成相应的角位移或线位移的机电元件，具有易于开环控制、无积累误差等优点，在众多领域获得了广泛的应用。

Stepping motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal. Because of having the advantage of easy open-loop control and no accumulating error, stepper motor is being applied widely in many fields.

摘要步进电机是一种将电脉冲信号转换成相应的角位移或线位移的机电元件，具有易于开环控制、无积累误差等优点，在从多领域获得了广泛的应用。

Stepping motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal. Because of having the advantage of easy open-loop control and no accumulating error, stepper motor is being applied widely in many fields.

论文 页数：54 字数：22722摘要：步进电机是一种将电脉冲信号转换成相应的角位移或线位移的机电元件，具有易于开环控制、无积累误差等优点，在从多领域获得了广泛的应用。

According to the principle of best linear unbiased estimation ,A target localization algorithm for bistatic radar was proposed by pseudo measuring value after coordinate conversion.

利用坐标转换后的伪测量值，根据最佳线性无偏估计原理，提出一种双基地雷达目标的定位方法并给出了算法定位误差的Cramer-Rao理论下限表达式，在不同噪声条件下对算法进行仿真计算，结果表明该方法可以显著提高双基地雷达目标的定位精度，其理论下限和仿真结果都明显优于最小二乘方法。

Our factory is specialized manufacture all kinds of special shape of the bent glass, styling, including L, U, W, Z, spherical, oval, round, cone, back to bell-shaped and many other forms, our plant would produce its own super-hot bending furnace can be custom-made glass, hot bending the maximum size of 8000mm * 3600mm * 19mm, meet a variety of curtain wall and the large size of the needs of bent glass products used in fine cosmetics Showcase, jewelry Showcase, mobile phones Showcase, fish tank, glass coffee table, TV cabinet , bedside cabinets, a few telephone, shower room, spiral staircase, building curved balcony, transportation charges booth, light roof, sightseeing elevator, arched corridors, I-processing performance and stability of hot bending glass products, the quality of Good (no mold burn marks, there is no rainbow effect), size precision (error control in 1-2mm), low price (baked finished high rate, profit-sharing client) is willing to provide our clients with quality service, welcome calls, to e-mail consultation to discuss , and we look forward to your joining!

我厂专业加工制作各种特殊异形的热弯玻璃，造型包括L，U，W，Z，球面，椭圆，圆，圆锥，回字型等多钟造型，我厂自行制作的超大热弯炉可以定做热弯玻璃最大尺寸8000mm*3600mm*19mm，满足各种幕墙及超大尺寸的热弯玻璃的需求，产品应用于精品化妆品展柜，珠宝展柜，手机展柜，鱼缸，玻璃茶几，电视柜，床头柜，电话几，淋浴房，旋转楼梯，大楼弧形阳台，交通收费岗亭，采光顶，观光电梯，拱形走廊等，我厂加工的热弯玻璃产品性能稳定，品质优良（无模具烫伤痕迹，没有彩虹现象），尺寸精准（误差控制在1-2mm，价格低廉（出炉成品率高，让利客户），愿为广大客户提供优质服务，欢迎来电，来邮件咨询洽谈，我们期待着您的加盟！

Specifications: DN15 ~ DN800; Pressure Range: 10 ~ 900KPa; Flow control tube for a total portfolio of the surface without any plating material; Working Pressure: ALE Series Stroke Stop and Stroke Switch 1600KPa or 2500KPa; Operating temperature: 120 ℃; Mass-flow error:± 5%; Connection: threaded or external flanges.

规格：DN15～DN800；压差范围：10～900KPa；流量控制筒为一整体组合，表面无任何电镀物料；工作压力：1600KPa 或 2500KPa；工作温度：120℃；流量误差：±5%；连接方式：丝扣或外接法兰。

The analytic solution of plane distribution of water depth and velocity in curved open channels are also given, which is better than those only giving depth-averaged velocity in radial direction.

但有限元法作为一种域法，不适合用于无界域的计算，且有限元法及边界元法的收敛性、稳定性目前还不能从理论上加以证明，计算误差也无法精确预测。

Blood pressure level and the wrist circumferences had no influence on the measurement errors.

血压值的水平及手腕周长对测量误差无影响。

Prima rily, the prime crimina l's crime has nothing to do with lime and overtime.

首犯的犯罪基本上与石灰和加班无关。

Some would fail and some would prosper,some would die and some would kill,some would thank the Lord for their deliverance, and some would curse John Sutter's Mill.

有人无功而返，有人心遂所愿；有人长眠异乡，有人图财害命；有人将感激上帝解脱了他们，有人会诅咒约翰萨特的磨房。