查询词典 frequency meter

The company produces the processing equipment to be advanced, check-out facility excellent, has the numerical control lathe, the numerical control drilling machine, the machining center, the numerical control gear-hobbing machine, the gear shaper, the fine borer, the universal milling machines, each kind of grinder, the table planer, the booklet bender, the large-scale lathe, the mechanical slicer, high intermediate frequency quenching, the well type, the box-type hardening furnace, the tempering furnace, the automatic welding machine, the X-ray crack detection machine, the cloth, the Rockwell tester; Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level; The material analysis laboratory, the metallography analysis room and so on full had guaranteed strictly the vehicle, the mill, dig, rub, pull, the boring, to drill, the ramming, cutting, the angle iron, the chemical examination and the heat treatment and so on complete technical process.

公司生产加工设备先进，检测设备精良，拥有数控车床、数控钻床、加工中心、数控滚齿机、插齿机、精密镗床、万能铣床、各种磨床、龙门刨床、折弯机、大型车床、刨床、高中频淬火、井式、箱式淬火炉、回火炉、自动焊机、 X射线探伤机、布、洛氏硬度计；电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；材料分析化验室，金相分析室等充分严格保证了车、铣、刨、磨、拉、镗、钻、冲压、切割、弯板、化验及热处理等全部工艺流程。

The uncertainty of optical frequency standards has come up to 10-11 ~ 10-14. In this way, length unit 'meter' became the derived unit of time unit 'second'.

在上世纪最后的30年间，光频标已达到10-11～10-13量级的准确度，使长度单位"米''进行了重新定义，实际上成为时间单位秒的"导出单位。

LANYA ADP-018BT stereo is fit for any notebook PC and portabler fixtures with LANYA and help enjoy dimensional sound music by 2.0 amplifier output without connecting to other multimedia. Introducing LANYA V2.1+EDR and woking on 2.4G ISM frequency range, the acoustics is provided with as three times of 2.1Mbp data transmission rate as common LANYA technic, and its dictance of non-obstacle straightaway transmission is 10 meter with a lower degree of distortion.

ADP-018BT立体声蓝牙音响适用于笔记本电脑和带蓝牙的便携设备，使多媒体产品不用连接线便能欣赏2.0功放输出的立体声音乐，本音响采用蓝牙V2.1+EDR，工作在2.4G ISM频段，具有2.1Mbps的数据传输速率，是普通蓝牙技术的三倍，直线无障碍的传输距离为10米，音质好，失真度低。

So it is very significant to develop a high precision frequency and phase meter.

因此研制高精度的频率与相位测量设备具有十分重要的意义。

Development process of the wide-band intermediate frequency phase meter is introduced completely in this paper.

比较全面地介绍了-宽带中频相位计的研制过程。

1101B. The unit incorporates an RF Signal Generator, FLEX/POCSAG Encoder, IF Frequency Counter, AC Millivolt Meter, IF Signal Generator and a 1.5 VDC power supply.

该装置包括一个射频信号发生器，flex/pocsagencoder，如果频率计数器，交流毫伏表，如果信号发生器和一个1.5伏直流电源。

This instrument can meter the electric level, frequency spectrum, carry to noise ratio , A/V , cobbly ratio , voltage s of the AC trunk line and the battery.

该场强仪可以对有线电视系统的电平、频谱、载噪比、A／V比、系统不平度、交流干线和电池电压等进行测量，并通过液晶显示，结果保存于EPROM中。

Analyzer,frequency counter,E-loading,moise and ripple meter and so on for measuring UUT performance parameters.

对于特殊的测量，ATE2系统能够控制GPIB仪器，例如：音频分析，频率数字，噪声和示波器等用来测量UUT执行参数

The meter can be used withlinear output features sensor or other measuring as measuring and display of pressure, weight, speed, frequency and humidifies.

产品适用于各种具有线性输出特性的传感器或其他测量设备，如压力、重量、速度、频率、温度、湿度等的测量显示

According to a torque feedback rate gyro,it designs the rebalance loop.The experimentation concludes the change tendency of parameter of the head of meter in different input frequency,so that the change tendency of damping ratio and torsion pendulum in the whole frequency is determined.

针对某力矩反馈速率陀螺仪设计了再平衡回路，试验确定了不同输入频率下陀螺表头参数的变化趋势，从而得出陀螺的主要性能参数阻尼比及转动惯量在整个频段内的变化趋势。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。