E. a non-summary property in a category or struct in which you use just get; having a semicolon (normally coupled with set;) to indicate the compiler should produce the human body of the get accessor immediately. 近年来这方面的研究开发主要是围绕结构 、 合成 、 表征和催化反应等方面开展的. - a assure by an object to allow callers https://satyameranogreensddjayplots.blogspot.com/2025/07/smart-world-edition-gurgaon-emerges-as.html