When determining empirical formula with test method, estimation value of estimated parameter in regression equation which is obtained with least square method always is a long number.

用实验方法确定经验公式时，回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。

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So long number to expressing empirical formula that appears not only lengthy but also less practicality.

用这个很长的数来表达经验公式显得冗长而不实用。

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However the great majority of natural carbohydrate compounds produced by living organisms do not have this simple empirical formula.

然而由活的有机体产生的绝大多数天然碳水化合物的组成不遵守这个简单的经验分子式。

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To get economic growth an empirical, not partisan, thing one needs to get the formula right.

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