查询词典 positive

positive definite second variation：正定第二变分

正定二次型 positive definite quadratic form | 正定第二变分 positive definite second variation | 正定变换 positive definite transformation

positive mold：正压塑模

positive landform 正地形 | positive mold 正压塑模 | positive movement 正向运动

positive pressure cabin：增压座舱

positive pressure breathing 正壓呼吸 | positive pressure cabin 增壓座艙 | positive pressure suit 增壓衣

positive pressure suit：增壓衣

positive pressure cabin 增壓座艙 | positive pressure suit 增壓衣 | positive rolling moment 正滾轉力矩

positive pressure suit：增压飞行服

positive pressure respirator 正压呼吸机 | positive pressure suit 增压飞行服 | positive pressure urethrography 正压尿道造影

positive recollection：积极回忆

positive reaction 正反应 | positive recollection 积极回忆 | positive reference group 正作用参照团体

positive regency：时近正效应

positive regard 积极关注 | positive regency 时近正效应 | positive reinforcement 正强化

positive rendition：正片复制

positive refraction 正折射 | positive rendition 正片复制 | positive reserves 确切储量

positive displacement respirometer：正排量呼吸计

positive displacement pump 正排量泵 | positive displacement respirometer 正排量呼吸计 | positive displacement self-priming progressive cavity rotary pump 正排量自吸分级腔螺旋形迥转泵

positive rheotaxis：正趋流性

正趋流性 positive rheotaxis | 正向流性 positive rheotropism | 正趋热性 positive thermotaxis

tax assessor：估税员,税务稽核员

tax assessment税额查定 | tax assessor估税员,税务稽核员 | tax association税务协会

enterotomy scissors：剖肠剪

enterolithic structure 肠状构造 | enterotomy scissors 剖肠剪 | enterotoxaemias of sheep 绵羊肠毒血症