短語(yǔ)詞組短語(yǔ)immovability point 不動(dòng)點(diǎn)immovability condition [數(shù)]不動(dòng)性條件immovability point theory 不動(dòng)點(diǎn)原理immovability decision -making 不變決策變量stage of immovability 不動(dòng)地 返回 immovability