NRN

常見例句

• The selected determining wavelength was 274.5 run and the reference wavelength of chloarmphenicol was 326 nm, the determining wavelength was 290 nrn and the reference wavelength salicylic acid was 260 nm.
  選定氯霉素的測定波長為274.;5 nm;參比波長為326nm; 水楊酸的測定波長為290 nm;參比波長為260nm。
• noise rating number (NRN)
  噪聲值數(shù)
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