In the 1970s and 1980s, Yamaha entered the field of electronic musical instruments and successively produced electronic keyboards, synthesizers, and digital synthesizers.

在20世纪70年和80年，哈进入了电子乐领域，并相继产了电子键盘、合和数字合。

Maps and other electronic instruments are used in navigating the plane – in getting the plane to go from one place to another, in making sure the plane goes to the right place.

图和其他电子仪用于飞机导航——让飞机从一个方飞到另一个方，确保飞机飞到正确的方。