The vibration behaviour of sandwich structure with spring interlayer is studied.研究了具有弹性夹层的层板结构的振动特性.Sandstone type uranium deposits in interlayer oxidation zone are large or super large and in - situ leachable.层间氧化带砂岩型铀矿...
Putting on a hat can be a ceremonious act, an elegant gesture in the ritual of dressing.戴帽子被看作一种礼节性的举动，是着装仪式上一个优雅的举动。He unveiled the picture with a ceremonious gesture.他郑重其事地为这幅画揭幕.Such a ceremonious opening, but it had ...
Violent crime is on the upswing.暴力犯罪率正在攀升。Shocking crimes are now on the upswing.骇人的罪行正在增长.The economy is in the upswing which makes high tech services in more demand too.经济在蓬勃发展,这就使对高科技服务的需求量也在加大....