短語詞組短語constraint reaction force 約束反力dynamic constraint reaction force 附加動(dòng)反力external constraint force 外約束力generalized ideal constraint force 廣義理想約束力statical constraint force 靜反力internal constraint force 束力generalized constraint force 廣義約束力dynamics constraint force 加的動(dòng)約束力self -constraint force 自我約束力 返回 constraint force