我妈是代数老师，有一天上课的时候她抱怨说她的笔记本电脑不能连接到投影仪上显示。
My mom is an Algebra teacher and one day while in her class she complained that her laptop wouldn’t display on the projector.
类似有源像素显示、无缘显示和超微投影仪这类新技术将带来一定的影响。
New technologies like active pixel displays, passive displays and pico projectors will have an impact.
安德森坐在教室前面的椅子上，在液晶显示投影仪上写着选词填空的句子。
Anderson perches in a chair at the head of the class, writing sentences on an LCD projector with a blank in the middle for the girls to fill in from a list of vocabulary words.
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