机扑的绝对位置
absolute position of robot
聚对硝基苯偶氮间苯二酚
poly p-nitrobenzenazo resorcinol
poly(p-nitrobenzenazo resorcinol
聚对酞酸乙二酯
polyethylene terephthalate
dacron
聚对羟基苯甲酸酯与PTFE共混
blending of ploy(phenylester) and PTFE
聚对羟基苯甲酸酯
polyparahydroxybenzoic acid
聚对亚苯基苯并二噁唑(PBO)纤维
Poly(p-phenylene benzobisoxazole) fiber