论文部分内容阅读
《蝙蝠和雷达》介绍了科学家通过对蝙蝠飞行情况的研究揭开了蝙蝠能在夜里飞行的秘密，并从中受到启发，摹仿蝙蝠探路的办法，给飞机装上了雷达，保证了飞机夜间安全飞行。课文逻辑性强，融知识性、趣味性于一体，是培养学生爱科学、学科学的兴趣，对学生进行科学启蒙教育的好
Bats and Radars introduced the study by scientists of flying bats to reveal the secret that bats can fly at night and to be enlightened and imitate the way of searching for bats to equip the aircraft with radars and ensure the nighttime safety of the aircraft flight. The logic of the text is strong, and it is a combination of knowledge and interest. It is to cultivate students' interest in science and science, and to educate students well in science.