不電離的

OCT has many advantages over other existing medical modalities,including use of non ionizing radiation,display of contrast between soft tissues and disclosure of functional information. 光學(xué)成像法與現(xiàn)有的輻射成像方法相比具有輻射是非電離的；可以區(qū)分軟組織；

Scientific colloquium on medical supervision of workers exposed to ionizing and non ionizing radiations 接受電離和非電離輻射照射的工人的醫(yī)學(xué)監(jiān)督科學(xué)討論會

This non sequitur invalidates his argument. 他不根據(jù)前提推理因而論證無效。

Patience is a sine qua non for a good teacher. 做個優(yōu)秀教師必不可少的條件是要有耐心。

The diplomat was declared persona non grata. 這位外交家被宣布為不受歡迎的使節(jié)。

He is declared personal non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開該國。