问：
人们使用的镜子聚光取火？
答：
镜头
答：
放大镜
答：在玻璃中的凸透镜和凹透镜的案例，
，可以使用几件平面镜的焦点(Focus)照射实现使火灾的目的。
答：
镜头
答：
“尝试回答你说：”是的，它的凸透镜。
答：
凸透镜。
答：
凸
答：
放大镜是凸
What people use mirror condenser make fire?
Question:
people to use what the mirror condenser make fire?
Answer:
lens
Answer:
magnifying glass
Answer:
in the absence of glass in the case of convex and concave lenses, you can use a few pieces of flat mirrors to focus irradiation to achieve the purpose of making fire.
Answer:
lens
Answer:
try to answer you, said Yes, it s convex lens.
Answer:
convex lens.
Answer:
convex
Answer:
magnifying glass that is convex05-01-04
