再过几天球芽甘蓝就可以吃了。In a few days time the sprouts will be ready to eat.天文学家已把天球划分为88个区域.Astronomers have divided the celestial sphere into a total of 88 regions.旋转的天球上显示了星座中的主要星体.The rotating sphere shows the major stars of t...
the angle of deflection偏斜度The smallest deflection of the missile could bring disaster.导弹有极微小的偏斜也可能酿出大祸.Compatibility will require that the girder deflection at B be zero.根据协调性的要求,梁在B点的挠度应为零....