提出了一种新的重合度系数公式。
利用重合度理论证明系统正周期解的存在性。
The existence of the strictly positive periodic solution of the system is proved by using coincidence degree.
利用重合度理论证明系统正周期解的存在性。
Some results on the existence and multiplicity of positive periodic solutions are derived.
这是因为每张印制的牌在黑边的重合度上不同。
This is because each copy of a card varies in how well-centered it is between its black borders.
该算法实现上绕开计算重合度问题，以新的角度计算代价。
According to these algorithms, cost is computed following different way without solving the problem of overlaps.
利用重合度理论讨论一类多个时滞微分方程的周期解的存在性。
By suing coincide degree theory, this paper discusses the existence of periodic solution for a kind of differential equation with several delays.
通过在齿根贴电阻应变计，测量了在不同载荷下螺旋锥齿轮的重合度。
Using strain gauge at roots of the teeth, the contact ratio of gears is measured under different loads.
同时提出了实际双齿啮合(或承载)的必要和充分条件，以及实际重合度的计算公式。
The essential and sufficient conditions for actual double pair tooth mesh, as well as the formula of actual contact ratio, are also proposed.
同时提出了实际双齿啮合(或承载)的必要和充分条件，以及实际重合度的计算公式。
The essential and sufficient conditions for actual double pair tooth mesh, as well as the formula of actual contact ratio, are also propose...
最后通过叶片的理论型线和实测型线重合度匹配等算法得到实测叶片的各主要误差项。
In the case that measured profiles match theory profiles, each error item is attained by using appropriate arithmetic.
利用重合度理论建立了一类周期中立型时滞捕食者-食饵系统正周期解的全局存在性的充分条件。
Sufficient conditions are obtained for the global existence of a positive periodic solution of periodic neutral delay predator-prey system by using the method of coincidence degree theory.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
其重合度比点嘀合齿轮大，接触强度和弯曲强度高，而且加工制造方便，因而能够普遍推广和应用。
Since there is a greater overlapping, a higher touch stress and bending stress, and also it is more convenient to manufacture, this trans...
其重合度比点嘀合齿轮大，接触强度和弯曲强度高，而且加工制造方便，因而能够普遍推广和应用。
Since there is a greater overlapping, a higher touch stress and bending stress, and also it is more convenient to manufacture, this...
渐开线斜齿圆柱齿轮由于重合度大、传动平稳被广泛应用在机械、矿山、冶金、航空航天等各个领域。
Involute helical gear have large coincidence and transmission stably, so it was widely used in machinery, mining, metallurgy, aerospace and other fields.
提出正弦齿条所生成的齿轮副的重合度定义及其计算式，并且讨论有关设计参数对于重合度的影响效果。
Definition of contact ratio of paired gears generated with sinusoidal rack and its calculation formula were given, and the effect of related design parameters on the contact ratio was also discussed.
细高齿齿轮是采用小模数、小压力角、大齿顶高来加大端面重合度，达到提高齿轮强度、降低噪声的目的。
High tooth gear has small module, small pressure Angle, and large addendum to enlarge the transverse contact ratio, improve gear strength, and reduce the noise.
首次采用线图法分析了其啮合过程，建立了双圆弧齿廓弧齿锥齿轮重合度、多点接触系数和多对齿接触系数计算方法；
The meshing process is analyzed using line graph method firstly, calculation methods of the contact ration, multi-point contact coefficient and multi-pair contact coefficient are established;
利用重合度的连续性定理，研究了一类多种群脉冲混合系统正周期解的存在性，得到了该系统存在正周期解的充分判据。
The study on the mixed system of meat - ISP showed a new type of protein was formed at about 60C with the interaction between the two proteins.
准双曲面齿轮与普通圆锥齿轮相比，具有重合度大、齿面接触应力低、传动平稳、冲击和噪音小、承载能力高和寿命长等优点。
Compared to bevel gear, hypoid gear has larger overlap coefficient, lower gear contact stress, more smooth transmission, lower impact and noise, higher load bearing capacity, longer life and so on.
在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。
After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.
在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。
After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.
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