樣本的交叉動(dòng)產(chǎn) sample moments: 關(guān)本矩sample central moments: 樣本中心矩cross-section random sample: 截面隨機(jī)樣本cross-section sample: 截面樣本at moments: 時(shí)刻, 常常下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
