As a major economical and technical indicator of coal-fired boiler, carbon content in fly-ash is of important significance for the power plants to carry out a reasonable energy-saving plan.

飞灰含碳量作为燃煤锅炉的一项主要运行经济指标和技术指标，对电厂节能工作的合理开展具有重要意义。

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The indicator system of energy planning is the basis to carry out the work of energy planning from the view of theory and practice, which is also the details and an important part of energy planning.

能源规划指标体系为能源规划工作的开展提供了理论和实践的依据，也是能源规划工作的细化和重要组成部分。

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Collection evaluation is the center of the library to carry out all work, but is also an important indicator to measure the lover of document acquisition.

而馆藏评价是图书馆开展一切工作的中心，也是衡量采访工作质量高低的重要指标。

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Whatever consumer sentiment surveys record, this is a leading indicator that personal spending can carry our economy through next year.

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Dr Schulte explained the team decided to carry out the study in order to identify effective indicator species that offered an insight into the health of the region's environment.

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But how much weight will that carry in one of the new General Motors cars whose dashboard indicator urges oil changes as far apart as 15, 000 miles (24, 000 kilometers)?

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