A sequence of B-splines where the next in the sequence has a defined relationship to the previous one; it may, for example, be twice as fine. Hierarchical B-splines are used in adapting functions to local detail (see also wavelets).
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。