frequency是什么意思,frequency的中文翻译,含义,读音发音,用法,造句,参考例句
英语频道小编Admine整理了英语单词frequency的学习资料,关于frequency是什么意思这个问题进行了详细的讲解,包括frequency的英语意思解释、正确音标读音及发音、用法,frequency的英文短句例句含义讲解等与英文单词frequency相关的信息。 frequency英[ˈfri:kwənsi]美[ˈfrikwənsi]n.频繁性;[数][物]频率,次数;频率分布网络频率;频;黑洞频率;频率的 词形变化: 复数:frequencies 双语例句更多资料 1 . Their instruments detected very faint radiowaves at a frequency of 3 kilohertz. 他们的仪器检测到一个3千赫的微弱无线电波。 来自柯林斯例句 2 . Fatal road accidents have decreased in frequency over recent years. 近年来致命交通事故发生率已经下降。 来自《权威词典》 3 . If we can know their frequency we will monitor their talking. 如果我们知道他们的频率,我们就能监听他们的谈话. 来自《简明英汉词典》 4 . The drug can reduce the frequency and severity of attacks. 这种药能降低发病次数和严重程度. 来自《简明英汉词典》 5 . Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降. 来自《简明英汉词典》 语源mid 16th cent. (gradually superseding late Middle English frequence; originally denoting a gathering of people): from Latin frequentia, from frequens, frequent-crowded, frequent英英释义行业释义网络释义noun1.the number of occurrences within a given time period (usually 1 second); the frequency of modulation was 40 cycles per second 2.the ratio of the number of observations in a statistical category to the total number of observations 3.the number of observations in a given statistical category 体育1.训练的次数 动物学1.频度 化学1.频数 医学1.①次数:每一单位时间内,一个周期过程中重复发生的次数,例如,粒子每秒钟振动的次数或完整波每秒钟重复的次数(周波数) 2.②频率:特定事件发生的次数或归于某特定范畴的人口数或统计样本数 3.③相对频率:在许多重复试验中,特定事件发生的平均数 土木工程1.频率 心理学1.频率 植物学1.频度 物理学1.锁频 2. frequency-locking 生态学1.频度 2. 群落中某种植物出现的样方数占整个样方数的百分比。 电力1.变频调速 2. [speed] control 3. 频敏变阻器 4. frequency-sensitive rheostat -frequency1 . 频率 ...高频低频,它指频率,frequency,的高低,不过一般而言是指物理上的各种振荡,其中电学里面有很多振荡,可能是电流,质点,mass po. 2 . 频 effect of nonlinear amplifier on frequencyhopping multiple access systems ., 非线性放大器对跳频多重进接系统之影响. 3 . 黑洞频率 创意水源的良性循环_10堂量子创意课-265小说书... ... 【电影MOVIE】 ?《黑洞频率》(Frequency) ?《居家男人》(TheFamilyMan). 4 . 频率的 frequency雷击, frequency频率的, frequency频率电压 相关词条+zero frequency zero frequency1 . 零频率 Moza larva community type is analysed as the crowding degree inverse zero frequency zero frequency method .应用聚集度指标法、回归分析法、零频率方法对两色绿刺蛾幼虫在毛竹林间的分布型进行测定。 +frequency (1 . 频段的 a experiment study on the variations in ultra-low frequency ( ULF ) field and self-potential during rock cracking was carried out in a field-free space .在零磁空间对超低频段的磁场和自电位的变化进行了岩石破裂的实验研究,细致地揭示出电场、磁场出现异常变化的全过程,对深入认识超低频电磁信号的微观机理具有重要的意义。 +frequency and gene frequency1 . 频率和基因频率 The antigen frequency and gene frequency were calculated by direct counting ., 用直接计数法进行抗原频率和基因频率计算. +frequency -1 . 频网 shortwave non - orthodox frequency - hopped signal selection by improved time correlation arithmetic is introduced .介绍了利用改进型的时间相关算法进行短波非正交跳频网台信号分选的方法. |