美国人则希望采用的这个新的公式能够给予GDP最合适的权重，而GDP可以说是世界上衡量经济的最公平的标准。
The Americans want a new formula to give pride of place to GDP, the least arbitrary measure of an economy's weight in the world.
澳洲数学家们发明出一条”未婚妻公式”，能让男士们算出自己多大时求婚最合适。
Mathematicians from Australia came up with a "fiancée formula" which allows a man to work out his optimal proposal age.
本文针对这些问题，通过选择合适的缆索力学模型并进行力学分析，得出相关的计算、校核公式。
So this paper aim at these questions, though choose suitable mechanics model of cable and analyze the model to educe correlative formula of calculate and validate.
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