> 激活阴极 454. biological dosimetry ==> 生物学剂量测定 455. activated electrode ==> 激活电极 455. biological quantity transducer[sensor] ==> 生物量传感器 456. activated phosphor ==> 激活荧光粉 456. biological shield ==> 生物屏蔽 457. activated substance ==> 激活物质 457. biomedical analyzer ==> 生物医学分析仪 458. activating isotope ==> 活化同位素 458. bionics ==> 仿生学 459. activation ==> 激活 459. biopotential ==> 生物电势 460. activation cross section ==> 活化载面 460. biosensor ==> 生物传感器 461. activation heat ==> 活化热 461. Biot number ==> 毕奥数 462. activator ==> 活化剂 462. biot savart's law ==> 毕奥萨伐尔定律 463. active ==> 活动的,有效的 463. Biot, J.B.Biot ==> 1774 -1862, 毕奥,法国科学家 464. active acidity ==> 有效酸度 464. biotechnology ==> 生物技术 465. active alkali ==> 活性碱 465. bipartition ==> 对分,分为两部分 466. active area ==> 有效面积,工作面积 466. biperiodical regime ==> 双周期状态