UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.

格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）

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When a timezone value is added to a Universal Coordinated Time (UTC) dateTime, it results in a date and time in that timezone.

当将一个时区值添加到通用协调时间（Universal Coordinated Time，UTC）dateTime 时，将会生成该时区中的日期和时间。

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These clocks are the basis for Coordinated Universal Time (UTC), which in 1972 became the basis for global commerce.

这些原子钟的时间是协调世界时(utc)的基础，在1972年协调世界时开始成为全球商务活动的依据。

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For on-location shooters, landscape photographers or enthusiast photo travelers, the EOS 6D features a built-in GPS receiver to record longitude, latitude, elevation and Coordinated Universal Time (UTC) as EXIF data for seamless geo-tagging while shooting.

ENGADGET: Canon unveils EOS 6D DSLR: full frame sensor and WiFi for $2,099 in December