of;
Engineering,;
Jiangxi;
Agricultural;
University,;
Nanehang;
330045,;
China;
of;
Mechanical;
and;
Electronical;
Engineering,;
East;
China;
3iaotong;
University,;
Nanchang;
330013,;
China;
农药残留; 检测技术; 敌敌畏; 脐橙; 光谱成像; 表面; 高光谱图像; 气相色谱法;