For manufacturing enterprises, order evaluation is a core of demand management and a precondition of production planning.

对制造企业而言，订单评估是企业需求管理的一项任务，是制定生产计划的前提。

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But we say two productions constraining social system, it has a precondition: the production of information material in the history of mankind has the ultimate decision role.

但我们在说两种生产制约着社会制度时，是以物质资料生产在人类历史上起着最终的决定作用为前提的。

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By adopting the vacuum carbon deoxidization process, the conformity ratio of steel in ultrasonic detection test is improved under the precondition of significantly reducing production costs.

通过采取真空碳脱氧的工艺，可以在较大的降低吨钢生产成本的前提下，提高钢板探伤合格率。

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An energy overhaul, a precondition for increasing Mexican oil production, will require a Constitutional amendment, approved by both chambers of Congress and by more than half of the state legislatures.

FORBES: Mexican TV Billionaire Salinas Pliego Wants Pemex To Be Privatized