According to the recommended noise abatement procedures contained in the ICAO, DOC 8268 Volume I part V, data available indicates that the procedure which results in noise relief during the part of the procedure close to the airport:
发布于 2021-02-09 13:28:42
【单选题】 A is procedure A B is either procedure A or B, because there is not difference in noise distribution C depends on the wind component D is procedure B