呵呵，多多关照，是一个酒店管理系统，可能不是很好玩-Oh, more concern is a hotel management system, may not be very fun

用lisp编写的计算复合线上的界址点坐标,是练习lisp的很好的程序-Calculation of composite prepared with lisp boundary line point coordinates, is a good practice procedures for lisp

vb 角度坐标计算,可进行碎步点坐标计算-point coordinate calculation vb