However, you must remember to run the reference counting functions whenever you are using a reference-counted data structure.
不过，当您使用某个采用引用计数的数据结构时，您必须记得运行引用计数函数。
All counting ultimately involves reference to something other than the things being counted.
所有的计数最终都涉及到被计数物之外的其他事物。
Mostly bones and teeth used as a classification of traditional taxonomic zoology. Fur characteristics were counted as a reference, the characteristics of fur and hair were overlooked.
传统的兽类分类学仅把哺乳动物毛皮特征作为参照，多以骨骼和牙齿作为分类依据，淡化了毛和毛被的分类鉴别作用。
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