positiveismn.实证论；实证主义n.自信；独断positiveadj.积极的；肯定的；明确的；正面的；正数的；阳性的n.正面；正数；正片；[语]原级positive catalyzer[医] 正催化剂positive affective积极情感positive scotomata正性暗点, 实性暗点positive corpuscle正粒子positive variation正变分,正变差positive deviation正偏差positive definited正定positive arbitrage正向套利Positive logarithm正对数positively charged带正电荷的