Frequency is measured in hertz, or cycles per second.频率用赫兹即每秒钟的周数来计算.Rate of signal oscillation in hertz.信号振荡的速率,以赫兹(Hz) 为单位.There are Hertz, avis , Budget, National and several other small companies.有Hertz, avis, Budget...
Textured materials appropriate for birdbaths, streams , and pools include sand, stones , pebbles, and concrete.沙子 、 石块、鹅卵石 、 混凝土这一类有纹理的东西很适合于这类工作.I threw pebbles at the hens, and that made them jump and squawk.我朝母鸡扔卵石，吓得...
13 men have been questioned in connection with the murder.有13名男子因谋杀案受到盘问。She denied the murder of four children who were in her care.她否认杀害了她所照管的4个孩子。I know of no one who would want to murder Albert.我没听说有人想杀艾伯特。...
A research for the categories in music esthetical area is thus presented.最后,提出音乐美学范畴的研究纲要.To study the esthetical disfigurement of facial profile of Guangdong women with Anglemalocclusion.研究广东成年女性开唇露齿患者头侧位颌面部的美学缺陷.Third ...