frequency查询结果如下:
词性:noun
例句1. the frequency of errors’
名词 变体/同根词
动词 变体/同根词
Overall electro-acoustic frequency response for reproduction of 35mm optical sound track-Reproduction characteristics
GB/T13157-199135mm影片光学声迹的还音电声频率响应特性
属类:行业标准名称--
Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100MHz~1GHz analog radio relay communication systems
GB/T13621-1992100MHz~1GHz模拟接力通信系统的容量系列波道配置及设备的主要技术要求
属类:行业标准名称--
Overall electro-acoustic frequency response for reproduction of magnetic stripe sound records on 70mm motion-picture release prints--Reproduction characteristics
GB/T14000-199270mm电影涂磁发行拷贝上磁性声迹还音电-声频率响应特性
属类:行业标准名称--
Technical requirements and testing methods for 450MHz same-frequency simplex train radio dispatching communication equipment locomotive station
GB/T15836.1-1995450MHz同频单工列车无线调度通信设备机车电台技术要求和试验方法
属类:行业标准名称--
Technical requirements and testing methods for 450MHz same-frequency simplex train radio dispatching communication equipment station radio set
GB/T15836.2-1995450MHz同频单工列车无线调度通信设备车站电台技术要求和试验方法
属类:行业标准名称--
The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the VHF/UHF bands
GB/T15937-1995VHF/UHF频段广播业务与移动和固定业务频率共用技术规定
属类:行业标准名称--
Series and products of nonlinear circuits for semiconductor integrated circuits-Products of voltage/frequency and frequency/voltage converters
半导体集成电路非线性电路系列和品种电压/频率和频率/电压转换器的品种
属类:行业标准名称-国家标准名-GB/T12845-1991
Series and products of communication circuits for semiconductor integrated circuits--Products of frequency synthesizers
半导体集成电路通信电路系列和品种频率合成器系列品种
属类:行业标准名称-国家标准名-GB/T14027.6-1992
Series and products of communication circuits for semiconductor integrated circuits--Products of dual-tone multi-frequency circuits
半导体集成电路通信电路系列和品种双音多频电路系列品种
属类:行业标准名称-国家标准名-GB/T14027.4-1992
Transmitter,receiver and ground communication equipment used in domestic satellite communication earth stations-Technical requirements-Part 3: Equipment for television/frequency modulation
国内卫星通信地球站发射、接收和地面通信设备技术要求第三部分:电视/调频设备
属类:行业标准名称-国家标准名-GB/T11444.3-1989
very high frequency direction-finding(station)
甚高频测向(台)
属类:行业术语 -海运-
noun
1.The fact or state of being frequent or happening often.
‘The fact that it happened with apparent _frequency_ seems like an important detail on many levels.’
‘They wouldn’t be miracles if they happened with reliable _frequency_ .’
2.The particular waveband at which radio signals are broadcast or transmitted.
‘a radio station on a single AM radio _frequency_ ’
‘a coding sequence to ensure that everyone changes _frequency_ in the correct manner’
3.The rate at which something occurs over a particular period of time or in a given sample.
‘an increase in the _frequency_ of accidents due to increased overtime’
‘The next goal is to increase _frequency_ , particularly at peak periods.’
4.The rate per second of a vibration constituting a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light)
‘different thicknesses of glass will absorb different frequencies of sound’
‘The Doppler effect is a change in the _frequency_ of sound waves caused by moving objects.’
独上高台望四海 手揽云月傍天飞, 落叶重重已十月 归鸟凄凄啼心扉。