查询词典 pitch-black

Analyzing the honing principle of spiral bevel gears based on crossing-axis transmission, the mathematical model of the relative sliding speed of the contact point between honing wheel and gear is achieved. It is determined that the pitch cone of honing wheel depends on the number of teeth in the honing wheel and the angle between the common normal of pitch cones and the plane parallel to both gear and honing wheel axes.

分析了基于交错轴传动的珩齿原理，导出珩磨轮与被珩齿轮在啮合点处的相对滑动速度的数学模型，根据该数学模型可以判定珩磨轮的节锥面是由珩磨轮齿数、公法线和与珩磨轮轴线平行的平面夹角所确定。

These approaches are suitable for noncircular gear not only with discontinuous pitch curve but also with continuous pitch curve.

这一方法不仅适用于节曲线不连续的非圆齿轮设计，对节曲线连续的非圆齿轮设计也同样适用。

In order to produce domestic controllers of wind turbine generators, by analyzing corer problems, hardware type-choosing methods and software control processing, a solution to the pitch control algorithm of the MW wind turbine generator controller is proposed, based on the PID control of blade's rotate speed, accelerated speed and pitch angle.

为实现风力发电设备核心控制器国产化，通过分析风力发电机核心控制器所要解决的主要问题、硬件选型方法和软件控制流程，对兆瓦级变桨变速风力发电机组核心控制器提出基于叶轮转速、加速度和角度PID控制的变桨控制算法解决方案。

At last, the factors affecting pitch measurement accuracy of Marh891E Gear measurement center was analyzed; the hardware and the software of the ultra-precision gear total cumulative pitch error measurement device were improved, which perfected measurement system and increased the measurement efficiency and accuracy.

本文最后分析了Marh891E齿轮测量中心上、下顶尖不同轴对被测件齿距精度的影响，并通过具体分析对其进行调整；对超精密齿轮齿距累积总偏差测量装置的硬件控制部分及软件部分做了改进，完善测量系统，提高检测效率和精度。

The stub pitch for splines in this standard is twice the diametral pitch.

在本标准中，花键的残余径节是径节的2倍。

Most pitch contours of the disyllable combinative tone have several sub-classes, though the discretion of samples of some disyllables is small, therefore the average pitch model is not enough to express samples of them.

2虽然在部分声调组合中不同样品间的离散比较小，但大部分双音节词的声调组合模式可以分为几个子类，因此用一个总体平均的统计模式是不够的。

The pitch model of disyllable in Mandarin has been systemically studied on the basis of real materials of disyllable words through the techniques of polynomial curve fitting and VQ. The results show:(1)It is a practical and effective method in establishing the pitch model of disyllable through the techifiques of polynomial curve fitting and VQ.

本项研究从实际语音材料出发，运用曲线拟合和矢量量化的方法，对汉浯双音节调位的模型进行了系统地研究，研究结果表明；(1)利用曲线拟合和矢量量化技术对汉浯双字词声调组合进行模式归类是一种可行和有效的方法。

Dot Pitch 点距 In monitors, the dot pitch is the distance between the holes in the shadow mask; the smaller the number, the sharper the image.

在监视器里，点距是距离(测量在彩色显象管阴罩过程中，在洞之间，用毫米)；更小的数目，骗子这幅图像。如果你有选择，A 。虽然，但是28毫米点距是更好的。

Changing the pitch of an existing enharmonically flipped note no longer erroneously flips the enharmonic of the changed pitch.

改变现存的等音地发疯重要的调子不再错误地发疯改变调子的等音的。

A method for shifting a pitch of acoustic signals, which are expressed in terms of a series of digital signals, to an optional pitch, uses a compacting and/or expanding process on the time axis and cross-fades a fade-in acoustic signal, stored in a memory.

一种音程变换方法，用时间轴压缩扩展和交叉渐变处理将数字信号序列表示的音响信号的音程变换为任意音程。将音响信号存储到存储器中。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。