The accident was officially attributed to power plant operators who violated plant procedures and were ignorant of the safety requirements needed.

此次事件主要归咎于电力工厂操作人员，违背了工厂操作步骤，忽视了需要的安全设施。

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Upon receipt of customer orders, warehouse operators to customize and extend the products according to customer requirements.

一旦收到顾客的订单，仓库经营人就要按客户要求对产品进行定制和发放。

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Private equity and hedge fund operators should be subject to the same disclosure and conflict-of-interest requirements as corporations that list their stocks.

私人股本和对冲基金的经营者，应该受到同样的披露和利益冲突的要求，作为公司名单其库存。

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Exchange operators often raise so-called margin requirements at times of large market swings.

WSJ: Gold Plummets to Two-Year Low

As the deadline approached, supporters pressure the agency for more time while critics said the ship's operators had been given plenty of time to meet the same requirements imposed on other vessels.

NPR: Deal Requires Ferry To Stop Ash Dumping In 2 Years

High up-front investment requirements combined with uncertainty about what types of wireless multimedia services customers will want "are valid reasons for operators to be very cautious" when paying for licenses, according to a Lehman Brothers report.

CNN: Stuck On the Runway