The dictionary is a heterogeneous, mutable container that relies on a key-to-data value mapping, rather than a particular numerical order to access items from the container.
dictionary 是一种异构的、易变的容器，依赖键到数据值的映射（而不是特定的数字次序）来访问容器中的元素。
Essentially, Soundex algorithms function by mapping each letter of a given alphabet to a numerical code representing its phonetic group.
从实际上说，soundex算法的运作方式是把某个字母表中的每个字母映射成代表它的语音组的一个数字代码。
The mapping for ranks is fairly obvious; each of the numerical ranks maps to the corresponding integer, and for face cards.
牌面大小的映射就很明显了；每一张牌都对应着相应大小的整数，对于有人像的几张映射如下所示。
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