搜索 - 科创

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我根据资料做了2次都失败了，谁有材料帮忙实验一下。我用氯酸钾来做龙眼的催花剂，氯酸钠用多了对果树不好。刚好氯酸钠又比较多，所以想转换下。我是把氯化钾溶液加热到70-80度做成饱和液，加氯酸钠反应半小时...

一、项目总体学生论坛网站开发项目二、需求分析1.1 确定项目目标和功能需求1.2 进行市场调研和用户需求分析1.3 编写需求文档三、设计2.1 设计网站整体架构和页面布局2.2 设计数据库结构和数据流...

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