1) Trisection of an angle and Expansion with number field
三等分角与数域扩充
1.
1 Topics of the background and significance “Trisection of an angle and Expansion with number field”I developed high school division of school-based curriculum,“high school math elective courses on the topic”in a special topic, it will take into our secondary school curriculum content, the“ordinary high school mathematics curriculum standards,”the whole new arrangements.
1选题的背景和意义 “三等分角与数域扩充”是我校开发的高师校本课程《高中数学选修课程专题研究》中的一个专题,将它纳入我国中学课程选修内容,是《普通高中数学课程标准》的全新安排。
3) trisection of an angle
角的三等分
5) continuous fractional expansion
连续分数扩充
1.
The differentiator of fractional order based on the new derivative operator is implemented by using the method of the continuous fractional expansion.
从频域角度出发,分析了几种基于典型微分算子的IIR分数阶微分滤波器的数字实现,提出一种频率响应更接近理想微分的新算子,在此基础上运用连续分数扩充方法实现了分数阶微分滤波器的设计,并详细推导基于新算子的IIR分数阶微分滤波器的数字实现。
6) extended gamut
扩充音域
补充资料：三等分角问题
见“尺规作图不能问题”(977页)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条