Not only are mapping and reduction amenable to parallelization, but the map and reduce operations can be combined into a single parallel pass, which is even more efficient.

不仅映射和减法支持并行化，映射和减法运算也可结合到单个并行循环中，这样效率更高。

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The project design combined grant funds with an International Bank for Reconstruction and Development (IBRD) loan to soften lending terms with the overarching objective of poverty reduction.

本项目设计方案赠款资金和国际复兴开发银行贷款资金组合使用，软化贷款条件，其总体目标是实现减贫。

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But a depreciating dollar that's combined with a reasonable budget-deficit-reduction plan is something else entirely.

但是贬值的美元若和合理的预算赤字削减计划挂钩才算得上彻底。

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Mining stocks can sometimes amplify the volatile movements of precious metals they gather from the earth, especially when there are dramatic movements in the price of the commodity itself combined with no reduction or even increases in the costs associated with mining the commodities themselves.

FORBES: Leave Yamana Alone, Head For Chesapeake

The EPA is saying with a straight face that natural gas combined cycle is an emission reduction system that has been adequately demonstrated for coal power plants.

FORBES: Why You Should Care That Courts Overturn EPA's Carbon Pollution Standard

But natural gas combined cycle is not a system of emission reduction.

FORBES: Why You Should Care That Courts Overturn EPA's Carbon Pollution Standard