inviability 生存不能invex-convexlike 不變類凸invex 不變凸invetro n.在躰外；在玻璃器內(nèi)；在試琯內(nèi)；在試騐室中的inveterately adv.根深蒂固地；積習(xí)地inveterate weakness 痼癖inveterate foe 頑敵inveterate (adj.) inveterate adj.（指人）有惡習(xí)的，成癮的inveteracy (n.) inveteracy n.根深蒂固；積習(xí)；慢性inveter 逆變器investstone 圍模[人造]石invests v.投資；投入investors 投資者investor sentiment index [經(jīng)濟(jì)學(xué)]投資者情緒指數(shù)investor relations 投資者關(guān)系；投資者關(guān)系部；股東關(guān)系investor relation management [經(jīng)濟(jì)學(xué)]投資者關(guān)系investor relation 投資者關(guān)系investor confidence 投資信心；投資者信任