【单选题】Your radar displays your ship off center. As you proceed on your course, your ship's marker moves on the PPI scope while echoes from land masses remain stationary. What is this display called?
【单选题】Your radar displays your ship off center. As you proceed on your course, your ship’s marker moves on the PPI scope while echoes form land masses remain stationary. What is this display called?
【单选题】Your radar displays your ship off center. As you proceed on your course,your ship's marker moves on the PPI scope while echoes from land masses remain stationary. What is this display called?