A nested multilevel structure of BOM is presented to describe the construction of product and half product, which actualizes the mutual alteration in the BOM designing.

该模型采用多层嵌套BOM表的方式描述产品的结构，实现了产品、半成品BOM的灵活的联动设计。

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Production of British cotton goods increased sixtyfold, and cotton cloth became Great Britain's most important product, accounting for one-half of all exports.

英国的棉织品产量增加了60倍，棉布成为英国最重要的产品，占出口产品总数的一半。

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Yet surprisingly, no one has come in to undercut them and offer a comparable product at half the price.

但令人意外的是，没有人加入这一行当、提供质量类似、售价只有其一半的产品，来抢走它们的生意。

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on a path to long-term, sustainable fiscal health. But he told reporters that achieving another objective, cutting the deficit in half as a percentage of gross domestic product within five years, would require "modifications,"

VOA: standard.2009.03.24

The bottom line here: Microsoft has put out half a product for the full price.

FORBES: Verizon's Data And Voice Plans Will Kill Microsoft Kin Sales

So let's do the postmortem and guess what contributed to the low sales more: high prices, a half baked product or ads featuring a hairy-legged TV and Kevin Bacon?

ENGADGET: Logitech's 'disappointing' Q4 results not helped by poor Revue sales; will cut price to $249

Hicks has streamlined operations, minimized markdowns, installed a more disciplined allocations system to determine which stores get how many of what shoes and increased vendor exclusivity (half of product styles and colors are sold only at Foot Locker).

FORBES: Strategies