Web正文共：1509 字 16 图，预估阅读时间：5 分钟 前面发了一篇文章（无类别域间路由 (CIDR)：Internet 地址分配和聚合计划），里面有张图引起了一定争议。 争议的点主要集 … WebAdd a comment. 2. An alternative way to do this could be select distinct PersonId and group join with persons: var result = from id in persons.Select (x => x.PersonId).Distinct () join p2 in persons on id equals p2.PersonId into gr // apply group join here select new { PersonId = id, Cars = gr.Select (x => x.Car).ToList (), };
By Definition & Meaning YourDictionary
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