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Thi paper gives a few inequality of optimum ordering quantity (or optimum storage) when demand and storage take discrete value.
本文给出了需求量与存储量取离散值时的最佳订货量(或最佳存储量)的若干不等式。
A pixel contains the image information for a single point in the image, and has a discrete value between 0 (black) and 255 (white).
一个像素含有图像中单独的一个点的图像信息，并且含有在0(黑色)到255(白色)之间的离散的值。
"Value activities are the discrete building blocks of competitive advantage," wrote Porter.
“价值活动是构成竞争优势的“分立部件”，”波特写道。
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