激光射入聚碳酸脂表面将产生较大的折射角.Laser light incident the polycarbonate surface will be refracted at a greater angle into the surface.当折射棱镜折射角很小时, 称之为光楔.It is called the optical wedge , when the refraction angle of the refracting pri...
现在，99%的小学生都亲手操作过电脑。Ninety-nine per cent of primary pupils now have hands-on experience of computers.这是他亲手种的花.This is the flower he planted with his own hands.这些蛋糕是你们亲手做的 吗 ?Did you make these cakes yourselves?...
The mission for the crew of the space shuttle Endeavour is essentially over...“奋进号”航天飞机上全体机组人员的任务基本上已经完成了。...a theory that would embrace the whole field of human endeavour.将囊括人类活动的各个领域的理论I will endeavour to arrange it.我会...