指环

Annulet or Finger Ring - Fidelity.

项链或指环-诚信。

Abstract: The Leitmotiv is an important method to express the plot in Wagner’s music drama The Nibelung’s Ring (Der Ring des Nibelungen).

主导动机是瓦格纳乐剧《尼伯龙根的指环》中表达剧情的重要手段。

Our results suggest that the binding mode of CTX A3 with sulfatide and its headgroup mimetics is different from that of CTX A5.

心脏毒素A3与半乳醣衍生物的合位置为蛋白的核心区域，而心脏毒素A5的合位置则靠近指环Ⅰ的位置。