碟形卫星天线的定向性非常强。Dish aerials are highly directional.雷最近编制了定向性量表, 它可以较好地预言支配行为.More recently Ray developed the Directiveness Scale, which is well able to predict dominant behaviour.采用了超声的方法来切短露头于AAO范本的纳米碳管,增加纳米碳管膜的定向性.Sonic...
恐吓或者干掉詹姆斯·辛克莱对谁会有好处？Whom would it profit to terrify or to kill James Sinclair?雅各布·辛克莱在一名士兵的手里送了命。Jacob Sinclair met his death at the hands of a soldier.辛克莱献上了精彩的幕间音乐表演。Superb musical interludes were provided by Sinclair....
以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖.The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials....