absence and presence

 
       
  • 虚实

absence and presence的用法和样例:

例句

  1. Degradation of azo dye Acid Red B (ARB) over MnO2 in the absence and presence of ultrasonic irradiation has been investigated.
    研究了MnO2、超声(US)单独作用和MnO2+US联合作用降解偶氮染料酸性红B(ARB)的情况。
  2. The electrochemical behavior of the 1,4-Dihydropyridine Derivatives(1,4-DHP) on the GC electrode was studied by cyclic voltammetry in the absence and presence of calf thymus DNA(CT DNA).
    用电化学方法研究了1
  3. ABSENCE AND PRESENCE: Reconstruction and Research of the Interpretative History of Anna Karenina
    缺席与出席:安娜·卡列尼娜解读史之复制与研究
  4. Adsorption and Desorption Processes of External Source Copper Ions Using Two Soils in the Absence and Presence of o- Phenylenediamine
    两种土壤中邻苯二胺对铜离子吸附-解吸平衡影响的研究
  5. Palpate auricle for texture, tenderness, and presence of lesions.
    触碰耳廓检查质地、触痛,有无损伤。

absence and presence的海词问答与网友补充:

提问补充

absence and presence的相关资料:

临近单词

目录
应用 附录 查词历史
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