[单选题]某轮陀罗航向314°,陀罗差+3°,该轮左舷60°处物标陀罗方位为()。A .251°B .254°C .257°D .017°
[单选题]某轮陀罗航向043°,陀罗差-1°,该轮左舷60°处物标陀罗方位为()。A .102°B .103°C .343°D .342°
[单选题]某轮陀罗航向142°,陀罗差2°E,陀罗方位200°处某物标舷角为()。A .58°左B .060°C .056°D .058°
[单选题]某轮陀罗航向230°,陀罗差1°W,陀罗方位289°处某物标舷角为()。A .59°B .060°C .059°D .058°
[单选题]某轮陀罗航向310°,陀罗差-3°,则当物标舷角060°时陀罗方位为()。A .007°B .010°C .013°D .250°
[单选题]某轮陀罗航向045°,陀罗差1°E,则当物标舷角060°时陀罗方位为()。A .105°B .106°C .345°D .344°
[主观题]首陀罗(shudra)