The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.The decibel level was mounting.噪音在增强。A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝.The decibel level was mount...
The decibel level was mounting.噪音在增强。The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝....
翻下来缝外侧的边。Turn under and hem the outer edges.火车轮外侧的金属轮箱便压在这根铁轨上.Metal shoes outside the wheels of the train then press downwards on this rail.细粒粘土可以沉积在天然堤外侧的隐蔽湾中.Fine - grained clay may settle out in the sheltered bays on...
Rebels in Liberia have released four foreigners after holding them captive for a week.利比里亚的叛乱分子释放了4名被扣押了一个星期的外国人。You are leaving for East Timor and Liberia soon.你们很快就要前往东帝汶和利比里亚.The state of Liberia was formed a century ...