There are two different standard units of measure for intervals because of the varying month lengths in calendars.

因为日历上变化的月份长度，所以对于时间间隔有两个不同的标准测量单位。

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In terms of size, banners represented 23.1 percent of impressions, followed by rectangles (22.7 percent) and non-standard units (22.1 percent).

按尺寸计算，横幅广告的观看率为23.1%，紧随其后的是矩形广告(22.7%)和非标准单位的广告(22.1%)。

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Methods on this class can be used to convert to standard units such as seconds, minutes, and hours, using standard mathematical conversions (such as 60 seconds in a minute and 24 hours in a day).

这个类提供的方法可以用于通过标准的数学转换（比如 1 分钟 = 60 秒，1 天 = 24 小时），将时间跨度转换为标准单位（比如秒、分和小时）。

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By now you may be wondering how the response to the ad units compares to the way consumers respond to standard ad units.

FORBES: Study: Consumers Look At, Don't Hate, New Web Ads

The council has said the new market site will be half the size of the existing one, with 72 standard sized units available.

BBC: Birmingham Wholesale Markets: Council leaders back move

The grid created standard geographic units.

FORBES: The Case for Keeping the Lights On