Formal DB正式库formaladj.正式的；正规的；形式的；公开的；拘谨的；有条理的formal Taylor expansion形式泰勒展开Formal thought disorder形式思维障碍formaldehydesulfoxylate甲醛化次硫酸盐formaldehyde scavenging除甲醛formalin acetic alcohol[医] 福尔马林醋酸酒精Formal Generic manifold形式Generic流形formaldehyde wastewater甲醛废水formaldehyde stabilizer甲醛稳定剂formal concept analysis形式概念分析formal language grammar形式语言文法