An anemometer on a moving vessel measures ______.(1.0)
A.apparent wind speed only B.true wind speed and true wind direction C.true wind speed only D.apparent wind speed and true wind direction正确答案B
An anemometer on a moving vessel measures ______.(1.0)
A.apparent wind speed only B.true wind speed and true wind direction C.true wind speed only D.apparent wind speed and true wind direction正确答案B