線性二階矩 linear moment: 線性矩second moment: 次級(jí)偶甩; 二次矩; 二階矩量second moment of area;moment of inertia: 截面慣性矩linear moment of inertia: 線性轉(zhuǎn)動(dòng)慣量moment of linear impulse: 線沖量矩下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯