短語詞組短語ideal bilateral constraint 雙麪理想約束ideal bilateral holonomic constraint 雙麪理想完整約束the ideal constraint 理想約束generalized ideal constraint force 廣義理想約束力complete ideal constraint 完全理想約束ideal constraint force 理想約束力incomplete ideal constraint 不完全理想約束non -ideal constraint with beam ends 非理想桿耑約束 返回 ideal constraint