Industrialization inevitably led to the expansion of the urban working class.工业化不可避免地导致了城市工人阶级人数的增多.We can't hold out against industrialization any longer.我们不能再拒绝工业化了.The geographic distribution of lung cancer was d...
We can't hold out against industrialization any longer.我们不能再拒绝工业化了.Ironically, much of the labor - facilitating industrialization came from the rural areas themselves.出人意外的是, 这些节省劳力的工业化,多数是从农区本身开始的.The geographic di...
而曲轴,在齿轮箱挂挡时, 又使汽车持续运动.When the gears are engaged, the crankshaft keeps the car moving.但是风力发电机的齿轮箱存在着经常在刹车时受冲击载荷而过早损坏的问题.The gear box of wind - driven generator is premature damage by impact load.对于电机操作机构,齿轮箱配置标准安装法兰.For ...
There is a great deal of demand in modern electronics, however, for bandpass amplifiers.然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.This paper presents a set of all - pole bandpass filter with equal inductances.本文提出一种间隙电容耦合的微带圆盘腔带通滤波器...
I marvelled that he suddenly left college.我对他突然离开大学感到惊奇.We marvelled at his excellent piano playing.我们对他那绝妙的钢琴演奏感到惊奇.She often marvelled that they should have gone by so uneventfully.她常常奇怪这七年的生活竟然这样平淡地过去了.I marvelled at ...