From aspect and so on material limitation, craft limitation and structure limitation to induct and reorganize the stair's questions.
从空间约束、结构局限性、工艺局限性及材料局限性等方面展开对楼梯题目的回纳和整理。
Refactoring is helping to reorganize code, re - clearly reflected structure and further improve the design.
Refactoring则帮助重新组织代码，重新清晰的体现结构和进一步改进设计。
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