功效函数图可用于描述质量控制方法的统计“功效”，其中Y轴为_______，Ⅹ轴为_______。
参考答案：误差检出概率Ped；临界误差大小
How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）
A.The further forward and closer to amidships the more readily the tug will trip
B.Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping
C.Installing the bitts down low lowers the center of gravity
D.The height and position of towing bitts has no significance
布鲁纳强调学习（）的重要性。
A.学科基本结构
B.行为习惯
C.榜样行为
D.动机
