group frequency
英 [ɡruːp ˈfriːkwənsi]
美 [ɡruːp ˈfriːkwənsi]
基团频率
双语例句
- R& D of Pumping Unit Group Controlling System with Frequency Conversion Based on DC Power Supply Configuration
基于直流供电配置的抽油机变频群控系统研发 - Results: Compared with the controlled group, the frequency of brush stimulation in therapy groups are fewer in the7th week;
结果：第7周，各治疗组与模型对照组比较，所需毛刷刺激频率明显少； - Group Frequency Hopping Algorithm and Performance Analysis for Multi-User OFDM System
多用户OFDM系统中分组跳频算法及性能分析 - The desired frequency is tuning is accomplished by discrete tuning curve among a group of frequency sub-bands through capacitor array.
目标频率由一组分立的亚波段组成，通过电容阵列来控制。 - Changes of IR group vibrational frequency in the blends of diethyl silicone and sebacate were studied in this paper.
研究了乙基硅油与癸二酸酯调和油的IR基团振动频率的变化，发现乙基硅油与癸二酸酯间存在着相互作用。 - By now the vector-mixer calibration technique has been used in our project, the test results show that vector-mixer calibration sloved measuring absolute group delay of frequency converters successfully.
矢量混频器技术已在工程中应用，测试结果表明，矢量混频器技术较好地解决了变换链路绝对群时延的测量。 - The definition and measurement techniques for group delay has been described and analyzed in this paper, the new techniques, being called three-mixer technique and vector-mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analyzed in detail also in this paper.
描述和分析群时延的含义和测量方法，着重研究了变频链路绝对群时延的测量方法，对三混频器和矢量混频器技术进行了详细分析和论述。 - Firstly the relative phase delay between the input and output signals is measured on an oscilloscope using comparison method, and then it is converted into the values of group delay/ frequency characteristics. The method is quite economical, simple and convenient.
文章介绍了用示波器将输入、输出信号波形相位进行比较的方法来测量相位延迟，然后，再进行换算得到通道的群时延/频率特性值，该方法经济、简便。 - A group of ultra-low frequency electromagnetic radiation observation network has been built in the Capital circle region since 1982. The network is mainly used to observe electric field change by electrode under the ground. At the same time, it is used to accept magnetic sign.
叙述了1982年以来在首都圈附近超低频（ULF）电磁辐射观测网的建设，该台网以埋地电极接收地下电场变化为主，用感应线圈接收磁场变化为辅。 - Group orthogonal frequency and code division multiple access system
一种群正交频码分多址系统 - In the experimental group the mean frequency of micronuclei was 0.36% when compared with 0.24%. in control group, we found no differences in the mean values of micro-nucleus between these two groups.
试验组的平均徽核率为0.36‰，与对照组0.24‰比较，两组间未发现有显著差异。 - According to the results of the pure tone audiometry, four groups was divided, including normal hearing group, low frequency hearing loss group, high frequency hearing loss group and whole frequency hearing loss group.
根据纯音测听结果将其分成正常、低频听力下降、高频听力下降及全频听力下降四个组，并结合纯音听力图与DPOAE听力图进行比较。 - It is based on the data of the minimum time delay curve and three pairs of the data of group path and frequency of the traces in the backscatter ionogram of a single backscatter sounding station.
它仅仅基于单站得到的返回散射电离图的最小时延线和三组散射源回波描迹的时延和频率数据即可完成。 - Results: The disappearing rate and decreasing rate of blood supply of the tumor was 96.1% and 67.9% respectively for the target group and the group of radio frequency thermal ablation.
结果：该法治疗组与单纯射频治疗组术后肿瘤血供消失和减少率分别为961%和679%； - Manufacture of group amplifier, frequency discriminator and pen lockout circuits
《群集放大、鉴频和锁笔电路》的研制 - B group: radio-frequency ablation and liver cutting;
B组：射频消融（+）+肝门阻断（-）切肝组； - There is an obvious decreasing tendency in the frequency of shots from the excellent group down to the inferior group and the frequency of shots is the leading factor for the difference of scoring ability between the forwards in the excellent group.
从上等组到下等组，出手次数呈明显下降趋势，且出手次数是导致上等组队员之间得分差异的主要因素。 - Based on S.J Mason formula and network theory, theoretical analysis of complex video matrix compensation circuit is described in this paper. Formulas of transfer function and group delay/ frequency characteristics are derived.
根据自控原理中的梅逊公式及网络理论，对视频矩阵复杂补偿网络进行了理论分析，得出了传递函数和群时延表示式。 - Application of Simulation Combine Car Cabinet of Diesel Generator Group to Adopt Frequency Conversion Timing
变频调速装置在柴油发电机组模拟并车柜中的应用 - Control group and treating group compared with model group, defecation frequency and average weight of excrement were significantly increased, defecation time was significantly shortened, and shit character became soft ( P < 0.01), and treating group was superior to control group.
对照组、治疗组与模型组比较，大便次数明显增加、排便时间缩短、平均便重增加、大便性状变软（P<0.01），且治疗组疗效优于对照组。 - By statistical analysis to absorbance ratio of group characteristic frequency, it is discovered that the good relative rule consist in the ratio and binder chief properties.
通过基团特征频率吸光度比值的统计分析，发现其比值与粘结剂主要性能之间存在着很好的相关规律。 - In the direct exposure group, the frequency of three variants of butyrylcholinesterase gene K ( BCHE-K) polymorphism was 74.3%, 24.1% and 1.6% for UU, UK and KK respectively.
直接接触组BchE基因型（UU、UK、KK）频率分别为74.3%、24.1%和1.6%； - Group B with high frequency acupuncture group operation and treatment three times a week.
B组操作同高频次针刺组，每周治疗3次。 - The near infrared spectroscopy mainly produced by molecular vibration frequency within the group absorption and frequency absorption harmony, and only hydrogen-containing functional groups such as C-H, N-H, S-H, and O-H 'stretching vibration can be detected.
近红外光谱主要由分子内基团振动的倍频吸收和合频吸收产生，只有含氢官能团如C-H，N-H，S-H和O-H的伸缩振动才能被检测到。 - As a group of high frequency of contact with Internet, high level of education and strong interests of new things, university students will become the main force of on line shopping in future.
大学生作为接触网络频率高、受教育程度高和尝试新鲜事物意愿强烈的群体，将随着时间的推移成为网络购物的主体。