In this paper it has been proved by the optimaltree construction of graph theory that Huffman's code is an optimal method of coding with minimum redundancy.
本文用图论中的最优树构成法证明哈夫曼编码方法是最小冗余的最优码。
2
To deal with 3-dimension variant design for complicated product, an optimaltree-structure for the parameters transfer was proposed for complicated product variant design.
针对基于3维模型的复杂产品变型,提出了与产品建模结构相融合的树形参数传递结构。
3
This paper proposes the concept of sensitivity of a mine ventilation network. The selective method of finding the optimaltree once for all is devised by the analysis of it.