查询词典 pitch-black

〕 Objective: To study the stress distribution and the mech anic in the implants with or without countersink with different thread pitch by dynamic 3-D FEM.

摘要〕 目的：研究有无防沉装置的两种种植体不同螺距的应力分布及力学相容性。

Similarly, excessive exposure to sunlight and regular contact with substances such as soot, tar, creosote, pitch and various mineral oils are known to cause skin cancer.

同样地，过度暴露于阳光和经常接触的物质，如煤烟，焦油， creosote ，音高和各种矿物油是已知会造成皮肤癌。

It's a pity about the crossbar, but my duty is to take the pitch to help the side.

擦门而过的那个球有点可惜，但是我的任务就是补位帮助边。

The absolut measure metheod was used as the basic principle of device building and software design of the ultraprecision gears total cumulative pitch error measurement system.

同时，遵循测量原理并采用高精度的元器件搭建了绝对测量法检测超精密齿轮齿距偏差的测量平台。

This paper discussed several methods of the evaluation on total cumulative pitch error of gear: diagram, tabulation, coordinate conversion.

齿距累积误差是影响齿轮传动准确性的重要检测项目之一，利用计算机方便、快捷地处理测量数据在工程中具有实际意义。

This study investigated the effects of different platform motion directions (static, heave, roll, pitch and random) and cursor movement angles (0°, 45°, 135°, 180°, 225°, 270° and 315°) on manipulating three different kinds of trackballs to conduct the point-and-click task.

本研究主要探讨船舰载台不同的运动模式（静态、上下起伏、左右摇摆、前后俯仰与随机运动）与平面游标移动角度(0°， 45°， 90°， 135°， 180°， 225°， 270° and 315°)对使用三种不同轨迹球的影响。

Cyclodrive ; envelopment ; gears ; engage ; development ; cycloidal curve ; equidistant curves ; conjugate curves ; pitch point ; short arm coefficient ; planetary gear mechanism

摆线针齿传动；包络；齿轮；啮合；研制；摆线；等距曲线；共轭曲线；节点；短幅系数；行星机构

The algorithm is practicable and efficient in finding approximate roots of a cyclotomic polynomial, and gives a new method to judge a polynomial that can pitch cirle.

该算法在求分圆多项式的近似根方面是可行的，并取得比较好的效果，为判定一个多项式是否分圆提供了一种新方法。

I didn't enjoy the constantly banging drums and clanging cymbals and the high sharp pitch of the singing.

我不喜欢响个不停的咚咚鼓声，砰砰的钹声，和调子尖锐的歌声。

The day after the game at the Dall'Ara, Marco was a star off the pitch as well.

在达拉拉球场的比赛结束之后，马尔科同样是当场发挥出色的球员。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！