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。