key property的用法和樣例：
例句
- In some respects, the classes subordinated in the period of industrial hegemony provide the key to understanding the principle characteristics of the hegemony of immaterial labor.
從某些方面來說，在工業霸權時代處於從屬地位的階級為理解非物質性勞動霸權的主要特性提供了鑰匙。 - The development and property of C-glass rovings for reinforced plaster are introduced in this paper.
本文對石膏增強用中鹼無捻粗紗的研製過程及基本性能進行了介紹。
