作 者 杨智凯(Chih-Kai Yang); 张千惠(Chien-Hui Chang); 周富三 ( Fu-Shan Chou ) 刊 名 台湾大学生物资源暨农学院实验林研究报告
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本文首先使用初等方法导出三角形与四边形的等周不等式，进而用富里埃级数方法解决了一般等周问题。
We deduced equal perimeter inequality of triangle and quadrangle by elementary mathematical methods first and solved general equal perimeter problems by using methods of Fourier series.
富爸爸在第三周周末的中午来了。我们听见他的卡车泊进了车位，以及发动机熄火的声音。
Rich dad stopped by at noon on the third week. We heard his truck pull up In the parkIng lot and sputter when the engIne was turned off.
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