是要求重量和寿命之间的correlation吧?重量越大,寿命越短,反之寿命越长。如果是这样,的确是统计问题。要做很多次试验来得到足够的数据。
是要求重量和寿命之间的correlation吧?重量越大,寿命越短,反之寿命越长。如果是这样,的确是统计问题。要做很多次试验来得到足够的数据。
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