查询词典 speeds

A tape simulator built in the cassette tape type digital audio/video device comprises left and right reel hubs inserted in both driving reels of the cassette deck player to be rotated; and a rotation speed attenuating unit for attenuating the rotation speeds of the left and right reel hubs to at a predetermined rate by providing resistance to the left and right reel hubs rotated by the driving reels.

一种安装在盒带式数字音像设备中的磁带模仿器，含有插入在带仓录放器的双侧上的驱动卷轴中的左和右卷轴盘芯，以受转动；和一个转速衰减装置用于通过对驱动卷轴转动的左和右卷轴盘芯的转速衰减到一个预定的转速。

In high-speed wide-band digitizer at high sweep speeds,only a few samples of the signals can be on screen.

高速宽带数字化示波器在高扫速工作时，仅能采集信号的的少数样点。

This chart shows the speeds for all the cases as a function of distance, and is the most crucial chart for measuring land speed performance.

这个图表显示了速度的情况下对所有的函数的距离，是最重要的图表来衡量土地的高速性能。

The fiber length distribution of taker-in droppings and card strips under such conditions as three kinds of pin taker-in and one kind of saw-tooth taker-in at speeds of two doffer and four taker-in level are tested with roller cotton fiber length analyzer.

用罗拉式纤维长度测量仪对3种梳针刺辊和1种锯齿刺辊在二档道夫速度和四档刺辊速度的不同工艺条件下的刺辊落棉和盖板花纤维长度分布进行了检测。

The plates are obtained by two steps: compound felt and hot pressing shaping. The opening, mixture, carding, net-paving and needling process that affect shaping process of the blending fiber needle felt are investigated. Then it is concluded that the fiber nets from the BC-272B carding machines are uniform when the rolling speeds of licker-in, cylinder, doffer roller of the roller carding machine are 900r/min, 850r/min and 15.6r/min separately. The fiber needle felt is in a good condition when the paving nets have 8 layers, the type of the felting needle is 30, the density of needling is 1800end/m2, and the depth of needling is 3mm.

纤维复合板材分混合制毡和热压成型两步完成，分别探讨了开松、混合、梳理、铺网、针刺各工序对纤维针刺毡成型的影响，得出BC-272B罗拉梳理机的刺辊转速900r／min、锡林转速850r／min、道夫转速15.6r／min时，从梳理机下来的纤网较为均匀；铺网层数为8层、刺针型号为30、植针密度1800枚／m~2、针刺深度为3mm时，纤维针刺毡的效果较好，纤维复合针刺毡单位面积重量为200g／m~2。

Double-helical gears are well suited for the efficient transmission of power at high speeds.

双螺旋 齿轮非常适合高效率传输功率高速。

In the long drop they reach speeds over 60 miles an hour or more.

在长时间的坠落过程中，速度可以高达60公里每小时或者更高。

These tyres enable the Phantom Drophead Coupé to run for at least100 miles/160 km at speeds up to50 mph/80 km/ h before being replaced.

这种轮胎使幻影软顶敞篷车在更换轮胎前，可在50英里/时/0公里/时速度下至少行使100英里/60公里。

There are two speeds of a Modem and a DTE speed is the means and the communication between the computer serial port speed.

一个Modem有两个速度，一个是DTE速度，是指与计算机串口之间的通讯速度。

The dual mode feature is ideal for a beginner who wishes to learn how the car steers and drives at slower speeds.

该双模功能，适合初学者谁愿学习如何指导汽车和硬盘慢的速度。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。