查询词典 pitch-black

Geodesic curvature of the pitch curve on spherical surface was introduced as a medium,through which the pitch curve on spherical surface can be changed into equivalent planar pitch curve by numerical computation method.

以曲面上曲线的短程曲率为媒介，导出了球面节曲线伸展成平面当量节曲线的算法。

Perfect pitch is very helpful, but it is not essential; good relative pitch is sometimes even better, especially when you are dealing with transposing instruments or when the general pitch of an instrument you are working with is half a note off.

完美的定调是很有益的，但不是非常重要的，有时相对良好的定调更好，特别是在更换乐器或乐器比一般定调低半个音符时。

"Mostly because pitchers believe they need more than one pitch to be successful," Leiter said. But they don't. Look at Mariano Rivera. He does it with one pitch, the cutter. If you can throw one pitch well enough, that's all you need.

Leiter说：「多半是因为投手们相信他们需要更多的球路来获得成功，但并不是如此，看看Mariano Rivera，他只有一个球路－卡特球，如果你能投一种好的球路，也就足够了！！。

For the pitch misgrouping problem caused by no voicing decision in Meddis'pitch extracting method for concurrent speech signals, referring to voicing decision for single speech signal, basing on the analysis of the voicing charater of concurrent speech signals, we present a voicing decision method in pitch extracting for concurrent speech signals. Double periodic degree and frequencies group's distribution degree are introduced for voicing decision of concurrent speech signals.

针对Meddis的基于听觉心理生理的混叠语音基频提取算法中不分清浊音所导致的语音基频错判问题，借鉴了单语音清浊音判断的方法，基于对混叠语音的清浊性能的分析，提出了混叠语音基频提取中的清浊音判断算法，提出了判断混叠语音周期性的双周期度及判断频带组周期性的分布度两个指标，用于混叠语音基频提取中的清浊音判断。

It including the pitch point electric current equation andthe return route voltage equation two parts, former pointed out that,regarding any pitch point (3 or 3 above legs points of intersection),flows in and flows out the pitch point various electric currents algebra and is zero, this is the constant condition request, latter pointed out, regarding any closed path, each part of loss of voltage algebra and is zero, this is the electrostatic field ring circuit theorem result, two constituted the complete system of equations.

它包括沥青点电流方程强大的回路电压方程由两部分组成，前者指出，对于任何节点（ 3层或3条以上的腿分的交汇点），流入和流出草地点不同电流代数和是为零，这是恒定的条件要求，后者指出，对于任何封闭道路，每部分的损失电压代数和为零，这是静电场的环形电路定理的结果，构成了两个完整的系统方程式。

Chapter II of the Seventh String Quartet in general on the background, with pitch-class set theory analysis of three replacement sound relationship between the unified group of pitch throughout the whole idea of music, as well as the theme of fragment replacement pitch twelve-tone theme with a free form.

第二章大致阐述第七弦乐四重奏创作背景，用音级集合理论分析出三音组音高置换关系统一贯穿全曲的思路，以及主题片段音高置换与自由十二音主题形态。

In sample screw in melting zone from start to 10th pitch is 3mm and from 11th to 21st pitch 8mm.but in your screw from start to 10th pitches 4mm and 11 to 21st pitch 4.5mm to 12mm.

样品螺丝的融化区从第一个螺纹到第10个螺纹的距离是3mm。从第11个到21个的距离是8mm。但是您的螺丝上，从第10个螺纹开始是4mm，从第11个到21个的螺纹距离从4.5mm到12mm。

Based on above study, a new type of two-layer pitch polisher, which bottom material of is gelatinate harder pitch and top material of is gelatinate-sol softer pitch, has been used in super-smooth polishing of reflector for laser-gyro.

根据沥青的结构及粘弹性特性，在超精密光学抛光中首创设计使用了双层结构的沥青抛光模，底层为凝胶结构的沥青，表层为软韧润滑性好溶—凝胶结构的沥青。

Since temperatures have a big impact on the pitch, unfortunately, nonadjustable, Dizi players usually need to have 2 sets of Dizi; one for ummertime with a lower natural pitch and one for wintertime with a higher pitch.

不幸的是，由于温度对于音高有很大的影响，使用不可调音笛子的演奏者通常需要准备两套笛子，一套音高较低，夏天使用，另一套音高稍高，冬天使用。

Our experimental results shown that threshold voltage related hot only with the number of hecical turns ,hut a boundary-induced contraction or dilatation of the pitch also has a strong influence on it, at each regin, belong to a fixed n,the threshold voltage increases as the contraction of the pitch and the thieshold volage decreases as the dilatation of the pitch.

实验结果表明：阀值电压不仅与螺距数有关，而且与边界条件引起的螺距收缩和伸展有关，在螺距数不变的情况下，螺距的收缩使阀值电压提高，而螺距的伸展使阀值电压减小。

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％。