Investigations had revealed extensive rot in the beams under the ground floor.调查发现一层地下的横梁大面积腐烂。He bumped his head on the low beams.他的头碰到了低梁上。The beams are riddled with woodworm.这些木梁被蛀虫蛀得都是洞。...
The coherent combination of multi - Hermite - Gaussian beams is proposed to describe the flat - topped beams.提出了用多束厄米高斯光束相干合成产生平顶光束的方法.The Y - frame drawbar is constructed from two solid beams that can bear more loads.牵引...
道格拉斯29岁，是个技术不错的拳击手，在以前的比赛中发挥不太稳定。Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.定量供应很久以前就结束了饼干过剩的状况。Rationing had put an end to a surfeit of biscuits long ago.现在我们能公开谈论以前讳言不提的艾滋病问题。We can no...
相发生变化时,焓也发生变化.A change in enthalpy also takes place when a change of phase occurs.本文将给出水溶液中离子的绝对标准生成焓.In this paper, the ionic absolute standard heat of formation is gotten.节流过程焓不变.The enthalpy is constant in the throttl...