envelopments

英

美

(envelopment 的复数) n. 包, 包围, 封套, 封皮, 封, 裹
envelopment的复数

双语例句

• The 1H-1H coupling constants and the assignment of 1H NMR spectral lines of protons with extremely similar chemical envelopments were obtained.
  得到了化学环境极为类似的两芳环质子在不同溶剂中的NMR谱线归属和偶合常数。