A technician loads a video tape into one of the machines.一名技师把一盒录影带装进其中一台机器。The analogue signals from the video tape are converted into digital code.采自该录像带的模拟信号被转换成数字代码。6-millimetre film was used because it offered clear...
When things go wrong, all of us naturally feel disappointed and frustrated.出问题时，我们大家自然都感到失望和沮丧。This is where a lot of parents go wrong.这正是很多父母犯错的地方。Nearly everything that could go wrong has gone wrong.差不多可能出乱子的地方都出了乱子。...
So, how studies can accurately prediction to the ducted propeller hydrodynamic performance is more important.所以, 研究如何能更准确地预报导管螺旋桨水动力性能非常重要.Falling raindrops break up through hydrodynamic effects.下落雨滴由于流体动力作用而破碎.On the ba...
主要论述了辊底式无缝钢管退火炉在炉体 、 燃烧、管道等方面的技术改造.Retrofitting of furnace body , burners and piping in the furnace is presented.文章介绍了现代用于冷轧不锈带钢生产的连续退火炉的组成及结构.In the paper, the structure of morden continuous annealing furnace was introd...