开设了〗红外监听器创意实验,通过引导学生制作监听装置,并探究入射光距离、入射光角度和反射光斑照射面积对监听效果的影响,培养了学生的创新能力。
Creative experiment of infrared sound monitoring was set up .By guiding the students to make monitoring device ,the influence of distance ,incident angle and irradiated area on the per‐formance of the monitoring device were explored .The experiment trained the students’ innovation a‐bility .