第4题:[单选题] Quadrantal error in a gyrocompass has its greatest effect ______. A. in high latitudes B. near the equator C. on north or south headings D. on intercardinal headings 参考答案:D 【参考译文】陀螺罗经的象限误差对象限点航向影响最大。 【解 析】quadrantal error象限误差 intercardinal heading象限点航向