给出两个新的三角不等式，并将其应用于讨论角成等比的三角形形状。
In this paper, two new trigonometrical inequalities are given, and applied to discuss triangle shapes.
很容易构造一个不服从三角形不等式的例子。
It is easy to construct an example which disproves the property of triangle inequality.
很容易构造一个不服从三角形不等式的例子。
It is easy to construct an example which disproves the property of triangle inequality.
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