So it has an important practical significance to change the old audit mode, use the computer technology to improve the audit efficiency and decrease its risk and guarantee its quality.

改变旧的审计模式，开展计算机审计，提高审计效率，降低审计风险，保证审计质量，有着十分重要的现实意义。

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D. Increasing the confidence level to 95 percent will increase audit efficiency.

置信水平增加到95%将提高审计的效率。

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Audit quality is life line of audit work, is guarantee for completing audit task effectively, decreasing audit risk, increasing audit efficiency.

而审计质量是审计工作的生命线，是有效完成审计任务、降低审计风险、提高审计效益的保证。

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Each of the facilities has undergone an energy audit and a variety of energy efficiency upgrades will be completed by an energy service company (ESCO).

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According to the U.S. Department of Energy, the first step businesses and households should take when trying to improve energy efficiency is performing an audit to identify where energy is being wasted.

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An audit has found that EU-funded energy efficiency projects are not cost-effective in EU member states.

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