铁轨上空的天桥排除了穿行中的危险.Bridges over railroad tracks root danger out in crossing.他们必须握着一条绳索充当扶手穿过一条紧急人行天桥。They had to walk across an emergency footbridge, holding onto a rope that served as a rail.往南, 往东,再往南, 他奔了天桥去.South, east...
The pendulum - torque type of erector is extensively employed on gyro verticals.陀螺垂直器上广泛地采用由摆和力矩马达组成的修正装置.The torque of the couple is intimately associated with a couple.力偶矩与力偶密切相关.Equipped with electronic control torque...
不变性指的是一致的部分.Invariance refers to areas of agreement.相对论涉及两个似乎对立的概念, 相对性和不变性.The theory of relativity is concerned with two seemingly opposite ideas, relativity and invariance.我们迟早要问:这个定律是否经得起相对论不变性的检验?Sooner or later we ...
这个年轻人一下子穿上衬衫，扣好了扣子。The young man slipped on the shirt and buttoned it up.他把衣领的扣子扣上，紧紧地裹住了他的粗脖子。He buttoned his collar tightly round his thick neck.他的驾驶执照也被扣了8分。He also had his licence endorsed with eight penalty points....