查询词典 S curve

By utilizing the difference between curve s arc and chord,a series of more convenient and easily rememberable calculating formulas for railway curves are derived.

本文利用曲线的弧弦差推导出一系列比较简便、易记的铁路曲线计算公式，不需三角函数表及各种铁路曲线表，仅以简单的运算即可求得常用的各种曲线要素。

Giving examples of its application in the design of curve eccentric clamp mechanism s, circular wedgy scarf joints and relieving shaped cutters and so on, this paper illuminates its application prospect in many fields of mechanical design and manufacturing engineering.

在给出对数螺线定义及其特有性质的基础上，探讨了对数螺线的美学价值。由此出发，以对数螺线在曲线偏心夹紧机构设计、圆楔面联接、铲齿成形刀具等方面的应用为例，阐明了它在机械设计与制造工程领域中的应用前景

It's a curve, but its a nasty , wiggly line that looks more like the trail of a worm on LSD than it

它是一条曲线，但它是一条没有固定模式的，波动的线，就好像吃了迷幻药的虫子的尾巴一样的曲线，而不是任何一条已经知名的曲线。

Results (1) With the ROC curve analysis, if the cut-off value of CEA mRNA level was 31.21, the Youden's index was the highest.

最后用多因素Cox回归模型分析影响预后的独立因素。

Continuity safety electricity rail, Never power-off, As has not oxygen copper transmit power supply, Press fall small, Conductivity doubly; And fitting is used for curve and discretion walk 's design, At automatizes in natal ranks, Absolute is power supply system best choice. W type safety electricity rail that be high ampere electricity rail, Quality is GLOBE STAR the most basic request.

连续性安全电轨，永不断电，以无氧铜输送电源，压降小，导电率倍加；且适用于曲线及高低行走的设计，在自动化生产的行列中，绝对是供电系统最佳的选择。W型安全电轨即高安培电轨，品质是GLOBE STAR最基本的要求。

Based on a study of the influencing factors to ports throughputs, this paper analyzes the relationship between the factors and the throughputs, used the linear regression prediction models to forecast the throughput of nationwide, so the coastal ports can be achieved, then based on the relations of the whole and the part, we can got the throughput of Tianjin, Dalian and Qingdao port; in addition, this text choused to use three models of trend extrapolation model , and made the detailed introduction to these three model"s principles, e.g. the Logistic growth curve Model, grey system model and exponential smoothing model to Predict the Tianjin, Dalian and Qingdao ports" throughput, compared these results, got three ports throughput in 2007 and 2010 years.

并在此基础上，通过整体与局部的关系，再预测环渤海港口群中的天津、大连和青岛港的货物及集装箱吞吐量；另外，本文还选用了趋势外推法中的三个预测模型，并对这三个模型原理作了详细的介绍，然后引用&逻辑斯谛生长函数&模型预测了天津、大连和青岛港集装箱吞吐量；用指数平滑和灰色系统模型预测这三港的货物及集装箱吞吐量；最后，通过分析比较这些模型的预测结果，得出三港在2007和2010年货物及集装箱吞吐量预测结果。

The steady-state inactivation curve for TTX-R sodium channel was shifted by SO_2 derivatives in the depolarizing direction as that for TTX-S sodium channel.

SO_2通过作用钠电流，增大了神经元的兴奋性，尤其是伤害性神经元的兴奋性，这可能是SO_2影响神经细胞功能的作用机理之一。

Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.

结合高速公路和城市立交匝道上回旋线段任意点的GPS坐标计算的复杂性，详细地介绍了回旋线段转化为缓和曲线的计算方法，并通过工程实例进行了说明，以达到快速准确地计算回旋线段任意点的GPS坐标的目的。

Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.

而长距离的线路勘测工程中不可避免地会出现多个坐标系，这也给设计和施工带来诸多不便。

The processing characteristic and the jugged formation principle of Klingelnberg cyclo-palloid spiral bevel gears were analyzed.The corresponding curve equations were deduced based on the teeth shape s formation characteristic.

分析了克林贝格摆线齿锥齿轮的加工特点和齿形形成原理，结合其齿长方向是产形轮长幅外摆线的锥面展成线及齿廓球面渐开线的特点，推导出相应的曲线方程。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新