The brushes are classified into three groups: "Hard", "Soft" and "Both".
毛笔可分为三种：“软毫笔”、“硬毫笔”和“兼毫笔”。
Second, the technical system, both soft and hard.
第二，技术制度，软硬兼顾。
The borders between cultural regions can be both soft and hard.
文化区域的边界有软硬之分，而区域文化性格却没有边界；
The borders between cultural regions can be both soft and hard.
文化区域的边界有软硬之分，而区域文化性格却没有边界；
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