During the blitz we spent the night in underground shelters.空袭期间,我们在防空洞过夜.Some of these flood shelters are on raised platforms, which have allowed government helicopters to land amid the continuing floods...其中一些防洪棚搭建在高台上...
对哈夫纳机器的修理即将结束。The repairs to the Hafner machine were near to completion.根据任意给定的一组权值, 构造一棵哈夫曼树.According to any given set of weights, a Huffman tree structure.扩展哈夫曼编码压缩可以群体的象徵,而不是单一的符号.Extended Huffman compression can enc...