It should be noted that most airplane crashes occur during takeoffs and landings. 值得注意的是绝大多数的飞机失事均发生在飞机起飞和降落的时候。
Some of these tests occur when the driver initially starts, by the way, which can prevent the system from starting. 一些这样的测试发生在驱动初始化状态的时候，顺便说一句，这种情况可以防止系统启动。
