Listen to thetransmission or short exchangeand choose the correct answer.
A. Backtrack and vacate runway 04
Backtrack runway vacate via exit 4
C. Vacate via taxiway B3 and D2
D. Vacate via taxiway B2 and D3
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Listen to thetransmission or short exchangeand choose the correct answer.
A. Take first right to the first intersection taxiway K
B. Take first left to the second intersection taxiway K
C. Taxi straight ahead to the first intersection taxiway K
D. Taxi straight ahead to the second intersection taxiway K
不确定可以分为：
A类和B类
B. A类和C类
C. B类和C类
A类不确定度和B类不确定度的区分标准是：
A. 不确定度的大小
B. 能否用统计规律处理
C. 正的用A类，负的用B类
A类不确定度用：
A. 算术平均值的标准差表示
B. 测量列的最大误差表示
C. 测量结果的最小误差表示
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