Frequency with whichanevent (e.g. a fatal drug overdose) occurs within a specified population (e.g. injecting drug users) [...] daccess-ods.un.org daccess-ods.un.org 发生率某一事件(如致命的药物过量)于某一具体时期(如一 年)内在某一特定人口(如注射吸毒者)中发生的频 率。
high frequency,same frequency,resonant frequency,great frequency,angular frequency v.+n. reduce frequency,increase frequency,use frequency 权威英汉双解 英汉 英英 网络释义 frequency 显示所有例句 n. 1. [u][c] 发生率;出现率;重复率the rate at which sth happens or is repeated ...
aFrequency with which the R&D unit obtains useful technical information about NORTH AMERICAN COMPETITORS activities (response measured in ordinal scale, from 1 reflecting ìrarely or never,' to 5, reflecting ’daily‘); R&D单位得到关于北美洲竞争者活动的频率(反应的有用的技术信息在序数标度测量,从ì...
THE FREQUENCY WITH WHICH VARIOUS LOCALITIES ARE ATTACKED BY LUPUS VULGARIS, ILLUSTRATED BY ABOUT 900 CASES FROM THE FINSEN LIGHT INSTITUTE, COPENHAGEN. *First page of articledoi:10.1111/j.1365-2133.1920.tb12386.xCARL WITHFirst Assistant of the Clinic....
Getting Started with XM Directory Fields You Can Filter By Summary Tab Directory Contacts Tab Segments & Lists Tab Transactions Tab Distributions Tab Automations Tab Directory Settings Tab Contact Frequency Rules Merging Your Duplicate Contacts Directory Messages Creating & Managing Multiple Direct...
Define Frequency generator. Frequency generator synonyms, Frequency generator pronunciation, Frequency generator translation, English dictionary definition of Frequency generator. n electrical engineering an apparatus used to generate a signal consisting
modulation- (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
with N the electron density, e the electron charge, and v the velocity. Now the equation of motion of the electrons is (62)m*v.+m*Γv=−eE Here m* the effective mass of the electrons, which, in semiconductors or semimetals, may be much less than the free electron mass. Γ is ...
resonance occurs when thefrequencyof one of the incoming signals reaching thecircuitis near the natural frequency of the circuit, which then responds by absorbing maximum energy from the signal as the current within the circuit surges back and forth in step with the very weak current in the ante...