Putting a price on these services is like taking out an insurance policy to maintain our life support system and has the potential to generate billions of dollars for forest-owning nations.

为这些服务标价犹如拥有一个保险策略来维持我们的生命支持系统，这也有为拥有森林的国家产生亿万美元收入的潜能。

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The paper presents the methods and researching condition of tunnel fire, the characteristic of emergency ventilation, and the system of rescuing and putting out fire in tunnels.

论文介绍了隧道火灾的研究方法及现状，火灾事故应急通风的特点，以及隧道火灾通风灭火救援体系。

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Carry out the debugging of a brushless DC motor control system hardware and software, meanwhile analyse and explain problems they encounter, at last putting up with solutions.

进行了直流无刷电动机控制系统的软、硬件调试，同时对调试过程中碰到的题目进行分析和阐述，并提出解决方法。

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The Natural Resources Defense Council, which released its "Sounding the Depths" report Monday, pushed the Navy to find out before putting the new submarine-detection system to work.

CNN: waves

We've spent the last week putting this system through the paces -- hit the break to find out if it has been worth the wait!

ENGADGET: HP Pavilion dm1z (with AMD Fusion) review

"The editors of all national newspapers met yesterday and unanimously agreed to start putting in place the broad proposals - save the statutory underpinning - for the independent self-regulatory system laid out by Lord Justice Leveson, " a statement said.

BBC: Leveson report: Editors 'agree on broad proposals'