【化】 现行标准

但研究人员相信其将会代替目前标准的技术，而目前技术需要通过鼻腔置入一根软导管进入食道。

DC; d. c.(①direct current ②differential count)

convection current

conduction current

constant-current discharge【电】

output(current)

alternating current regulation, alternating voltage regulation using bucking transformer

modulated current

reactive current