罗杰斯有意义学习PPT学习教案

1、会计学1 罗杰斯罗杰斯 有意义学习有意义学习 第1页/共25页 第2页/共25页 STEP 1 第3页/共25页 揭秘黑匣子揭秘黑匣子 黑匣子黑匣子 是飞机的电子记录设备之一。 可将飞机停止工作或失事坠毁前的 技术参数和驾驶舱内的声音记录下 来。可保留20多个小时的飞行记录 。 第4页/共25页 第5页/共25页 第6页/共25页 第7页/共25页 BLACK BOX 黑匣子黑匣子 第8页/共25页 STEP 2 第9页/共25页 第10页/共25页 What is the Black Box? The black box, which is actually orange in colour

2、, is the device used to record any instruction sent to the plane and also records any conversation had through radio, in the cockpit and between cockpit crew. The box is designed to endure the high impact of a plane crash, the pressures of the deep sea and the high and low temperatures of fire and i

3、ce. 第11页/共25页 In 2009, after Air France flight 447 crashed into the Atlantic Ocean, It was believed that it occurred due to technical faults in the aircraft. However, after nearly two years of searching, the black box was found and told the story of a how a confused and frightened crew made errors f

4、lying the plane through a major storm that eventually led to its deadly crash. 第12页/共25页 However, how the black box signal works deep in the Atlantic Ocean? If a plane crashes into the water, an underwater locator beacon sends out an ultrasonic pulse that cannot be heard by human ears but can be detected by sonar and acoustic-locating equipment. So until the black box is recovered there is absolutely no way to understand what truly happened with MH370. 第13页/共25页 第14页/共25页 第15页/共25页 STEP 3 第16页/共25页 第17页/共25页 第18页/共25页 第19页/共25页 美生命本身， 要领悟