of;
Education;
and;
Human;
Sciences,;
Yokohama;
National;
University,;
Kanagawa;
240-8501,;
Japan;
Graduate;
School;
of;
Education,;
The;
University;
of;
Melbourne,;
Melbourne;
301;
O,;
Australia;
Junior;
High;
School;
Shizuoka;
420-0851,;
Japan;
教学实验; 三角函数; 桥梁; 模拟; 测量误差; 数学建模; 学生; 模型;