SP was as the sampling standard when core subsets were constructed. Each accession was removed gradually from initial collection, which remains SP of core subset as closed to SP of initial collection as possible.
构建核心子集时，以该取样参数作为构建核心子集的取样标准，即从原始种质群体中逐个删除种质样品，使所删除的种质样品保持核心子集与原群体的取样参数最接近，直至核心子集达到规定的取样规模。
参考来源 - 植物资源核心种质构建与评价新方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A core subset that is compatible with RDF.
兼容rdf的核心子集。
Another hoped-for core improvement that didn't make it is the ability for the user to request that the browser loads the external DTD subset.
未能实现的另一个期望的核心改进是允许用户请求浏览器装入外部dtd子集。
During the development iterations, a subset of stress-related and memory leak defects were removed before the formal system test entry time due to the early testing by the system test core team.
在开发迭代中，由于系统测试核心团队早期的测试，与压力相关的及内存泄漏缺陷的子集在正式的系统测试开始之前就被除掉了。
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