projection transformation

例句：

1. 1.The projector's beam is projected onto the screen.
   投影仪的光束被投射到屏幕上。
2. 2. The company'snew product has a significant impact on themarket.
   该公司的新产品对市场产生了重大影响。
3. 3. The scientist used a projection transformation tosimulate the effects of gravity.
   科学家使用投影变换来模拟重力的影响。