IR

英

美

abbr.  （飞行）情报（保障）区; （仪表飞行规则）军事训练航线; 照射雷达(Illuminator Radar)

医学化学

BNC.13404

柯林斯词典

Usually pronounced /'ɪr-/ before an unstressed syllable, and /ɪr-/ before a stressed syllable. 通常在非重读音节前重读,在重读音节前弱读。


• PREFIX (加在以字母r开头的单词前构成反义词)表示“不”，“非”
  Ir-is added to words that begin with the letter 'r' to form words with the opposite meaning.
  1. His behaviour was becoming increasingly irrational.
     他的行为变得越来越不理智了。
  2. ...its mixture of satirical wit, irreverence and spontaneity.
     它融讽刺、机智、不敬、率真于一体

双语例句

• Their structures havebeen characterized by elemental analysis, ms, IR and1 HNMR spectra.
  通过元素分析、谱、外光谱和核磁共振氢谱对两种化合物的结构进行了表征。
• The product was characterized by elementary analysis and IR.
  经元素分析、红外光谱对该产品进行了表征。
• The comparison between conventional design and solid modeling by UG is made by an example of IR window.
  以红外窗口为例，对常规平面设计方法和UG实体模型方法进行对比。
• Ir, UV and fluorescence spectrum of the two azo-pyrogallol reagents were studied.
  研究了偶氮试剂的红外光谱、紫外光谱和荧光光谱特性。
• The structure of A compounds were characterized by the methods of1H-NMR and IR.
  并通过1H-NMR和IR等方法，对该系列化合物的结构进行了表征。
• The final products were confirmed with IR, NMR spectra.
  经红外光谱、NMR检测证实，合成结果即为目标产物。
• IR illumination can be controlled manually or automatically.
  红外照明器可以被自动控制和手动控制。
• Raw product was analyzed by GC and IR for purity analysis and structure characterization.
  用色谱仪和红外仪对产品进行纯度分析和结构表征。
• The structure of the products were determined by IR, NMR and ultimate analysis.
  通过核磁、红外和元素分析证实了各步产物的结构。
• He IR spectrum of46 different Chinese medicine herbs are tested.
  测试了46种中草药的红外光谱。