Firstly, data objects in biological data sources often take the form of a hierarchically nested structure with their components missing, repeat, ordered and/or unordered. This results in the structural complexity of data objects.
英
美
- 首先,生物數據源中的數據對象具有結構復雜性:數據對象往往具有多層嵌套結構,對象的成分可以缺失、多次重復、有序出現或無(wú)序出現;
