The weight of each term is given by the proportion of each sub-triangle area with respect to the total triangle area . Algebraically, this can be expressed like so:
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Music-lover Adam, 27, from the Wirral said he has been to more than 200 concerts and estimates he goes to just under 30 every year.
減少美軍在歐洲駐軍並轉向聚焦中國