First, let this key principle marinate: climbing shoes are designed to focus power into your big toe, making it the main fulcrum around which your body rotates.
首先，要深刻理解这条关键原则：所有的攀岩鞋的设计都是为了把力量集中到你的大脚趾上去，使他成为身体旋转的主要支点。
Incident no longer principle suitable main body including subject of object and voluntary main body.
一事不再理原则的适用主体包括权利主体和义务主体。
While designing and constructing psychological educational curriculum system, we should follow system principle, main body system, and activity principle.
在设计与建构心理教育课程体系时应遵循系统性原则、主体性原则和活动性原则。
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