1)frequency per year年频率
1.[Results]The frequency per year of diagnostic X-ray procedures in1996and1998in Shanghai popu-lation were respectively536and583persons per one thousand.[目的]了解上海市民1996年和1998年X射线诊断照射的年频率水平。
英文短句/例句
1.There always have been sandstorms since ancient times, but the frequency has increased in recent years.风沙自古就有,这些年频率越来越快。
2.Frequency of Clinical Nuclear Diagnostic Procedures in 2008 in Jinshan District,Shanghai上海市金山区2008年临床核医学诊断的年频率
3.Frequency of Medical Exposure of Diagnostic X-ray Procedures in 2008 in Previous Pudong New District,Shanghai上海市原浦东新区2008年X射线诊断的医疗照射年频率
4.Frequency of Medical Exposure to Diagnostic X-ray Procedures in 2007 in Fengxian District,Shanghai上海市奉贤区2007年X射线诊断的医疗照射年频率
5.image frequency像频;镜频;镜频;镜像频率;镜像频率;帧频
6.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.
7.center frequency中心频率未调制频率
8.frequency theory of hearing听觉频率论 听觉频率论
9.The Effect of Age of Word Acquisition and Frequency on the Identification of Chinese Double-Character Words;词汇习得年龄和频率对词汇识别的影响
10.Levels of ADDlication Freauencv of Diagnostic X-rav Procedures in 2007 in Songiiang District.Shanghai上海市松江区2007年X射线诊断的应用频率水平
11.Distribution of Application Frequency of Diagnostic X-ray Procedures in 2007 in Qingpu District,Shanghai上海市青浦区2007年X射线诊断的应用频率分布
12.Distribution of Application Frequency of Diagnostic X-ray Procedures in 2007 in Chongming County,Shanghai上海市崇明县2007年X射线诊断的应用频率分布
13.Application Frequency of Diagnostic X-ray Procedures in 2007 in Luwan District,Shanghai上海市卢湾区2007年X射线诊断的应用频率水平
14.Distribution of Application Frequency of Diagnostic X-ray Procedures in 2007 in Changning District,Shanghai上海市长宁区2007年X射线诊断的应用频率分布
15.Frequency of Exposure of Clinical Nuclear Medicine Procedures in 2008 in Jing'an District,Shanghai上海市静安区2008年临床核医学的医疗照射频率
16.Application Frequency of Clinical Nuclear Diagnosis and Therapy in 2008 in Minhang District,Shanghai上海市闵行区2008年临床核医学诊治的应用频率
17.Distribution of Application Frequency of Diagnostic X-ray Procedures in 2008 in Baoshan District,Shanghai上海市宝山区2008年X射线诊断的应用频率分布
18.Frequency spectrum element, carrier frequency. Frequency type can be specified.频谱元件,载波频率。可指定频率类型。
相关短句/例句
annual combinatorial frequency年组合频率
3)Year collision frequency年碰撞频率
4)Year collapse frequency年倒塌频率
5)frequency[英]['fri:kw?nsi][美]['frikw?ns?]频率
1.Quantitative analysis of relationship between transitory internal friction and frequency during reverse martensitic transformation in Ni_(49.8)Ti_(50.2) alloy;Ni_(49.8)Ti_(50.2)合金马氏体逆相变的瞬态内耗与频率间关系的定量分析
2.Influencing analysis of human activities on frequency of red tides(HABs) in Zhejiang Sea Areas;人类活动对浙江近海赤潮发生频率的影响分析
3.The Gradient Analysis with Frequency Variation in Optical-electrical Characteristic of Liquid Crystal Light Valve;液晶光阀特殊光电特性中的陡度随频率变化的分析
6)frequencies[英]['fri:kw?nsi][美]['frikw?ns?]频率
1.A separable approach based on the SVD of a data matrix is proposed to estimate frequencies and bearings of noise sources by a uniform linear array.本文提出利用均匀线阵接收的数据构造一种矩阵进行奇异值分解,以对频率、方位两参数进行分离估计,用频率谱估计出声源频率,用方位谱估计出声源方位角。
2.By using CAD software, the influence of mass and spring constant on system natural frequencies and mode shapes is discussed respectively.本文首先导出了该系统频率和振型的分析表达式,并利用计算机辅助设计软件,分别讨论了质块质量及弹簧常数对系统频率的影响。
延伸阅读
频率计量(见时间频率计量)频率计量(见时间频率计量)frequency metrology: see time and frequency metrology 口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰