They sat aside 100 channels, each 200 kilohertz wide.他们在旁边坐了100种渠道, 各200千赫宽.Twisted - pair conductors are sufficient if frequencies of interest are below a few hundred kilohertz.如果信号频率低于几百kHz,则使用双绞线就已足够....
...a frequency of 24 kilohertz.24 千赫的频率They sat aside 100 channels, each 200 kilohertz wide.他们在旁边坐了100种渠道, 各200千赫宽.Twisted - pair conductors are sufficient if frequencies of interest are below a few hundred kilohertz.如果信...
本文介绍了一种汞盐可逆光色涂层.The optical properties of a recoverable mercury salt photochromic paint were studied.镀黑铬色涂层凸显了黑矿色 、 黑钻石色 、 银色魅影和透明水晶的亮泽魅力.The ruthenium - plating highlights the sheen of Jet Hematite, Black Diamond, Silve...
迪克斯拿着杯子往前挤。Dix pushed forward carrying a glass.在19世纪中叶，多罗西娅·迪克斯开始发起为精神病患者争取人道待遇的运动。In the mid-nineteenth century, Dorothea Dix began to campaign for humane treatment of the mentally ill.阿迪克斯在悬椅上坐下来,跷起二郎腿.Atticus sat down...