OTPPEconomist³⁴³¹⁸⁺³ 基本例句 🌏教师退休基金；安大略教师养老金计划安省教师退休金计划 This paper first describes the research purport and current research level of the off-line programming system for painting robot, and points out the Optimal Trajectory Planning Problems( OTPP. 本文首先介绍了国内外喷漆机器人离线编程系统的研究现状及意义，提出了喷枪最优轨迹规划问题 OTPP。 cnki