The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life span.

我们能源系统的主要组成部分，如燃料生产、提炼、发电和分配，用的是昂贵的、使用寿命较长的装置。

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The integrated gasification combined cycle (IGCC) is a promising electrical generation system which combines a clean coal transformation technique with a high efficiency combined cycle system.

整体煤气化燃气-蒸汽联合循环(简称IGCC)是洁净煤转化技术和高效联合循环系统相结合的发电技术。

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Most of the data comes from the industrialized world. Not surprisingly, burning fossil fuels for transportation and electrical generation top the list for their contributions to climate change, acid rain and toxic pollution.

VOA: standard.2010.06.04

Tom Broadbent has adapted the early river waterwheel electrical generation system for use in high-rise buildings.

FORBES: Going Vertical

Included are electrical generation facilities, iron and steel mills, pulp and paper mills and cement production.

FORBES: A Pivotal Court Challenge: America vs. the EPA

If the EPA had continued its analysis, it would have found that for every single job lost in the electrical generation industry, 11 more jobs would be lost in related industries.

FORBES: Goodbye To Green Jobs, You Won't Be Missed