It is frustrating now because we are stagnating at a terrible air quality level.

现在的情况很令人沮丧，因为我们停滞在一个很糟糕的空气质量中。

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The central focus of the data quality analysis practice is the measurement of the data quality level. This measurement is across three core areas

数据质量分析实践的焦点是数据质量级别的度量。

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Some audiophiles try to listen tomusic at a quality level that is as close to the original performanceas possible using high-fidelity components.

有些发烧友试图通过高保真设备在听音乐时达到尽量接近原汁原味表演的效果。

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They know it will come. They know that it will be of a certain level of quality."

VOA: standard.2009.08.31

Because it's not just information that determines our wellbeing, our success, our self-esteem, our motivational level, the relationship and the quality of our relationships.

因为信息无法决定我们的幸福感，我们的成功，自尊，动机水平，两性关系及其质量。

哈佛公开课 - 幸福课课程节选

In European and Asian markets, regulators stipulated a certain minimum base station coverage and network quality level.

FORBES: MetroPCS Getting Steamrolled by ATTrizon

Our audience support team is committed to serving your needs, and we re excited to offer this high quality level of support on Twitter.

CNN: Contact Us

But with emerging technologies, raw biogas can be stripped of carbon dioxide and other trace gases, bringing it up to the quality level of natural gas.

FORBES: Biogas and the Shale Gas Bonanza