Markowitz formalised these ideas and drew up the mathematical formulae to optimise diversification .

马柯维茨整理了这些观点，推导出数学公式，使多样化达到最优。

For each zone , one of about 50 fertiliser formulae is recommended .

该合作社会从大约50种化肥配方中为每个区块挑出一种予以推荐。

First and foremost , the two indices use different averaging formulae when calculating price changes for each individual item .

第一，这两个指数在计算单项产品的价格变化时套用了不同的平均值公式。

Their work wasn 't purely science or technology ; though grounded in both , it was far from the simple application of formulae or solving of equations .

他们的工作并非纯粹的科学或技术，虽然的确植根于他们，这些工作远非简单公式的应用或方程的求解。

The non-mathematical appear to have their revenge , as the perils of over-reliance on complex symbolic notation and arcane formulae are relentlessly exposed .

非定量学科似乎有了个扬眉吐气的机会过度依赖复杂符号和晦涩公式的危险这回算是暴露无遗了。