... standard time 标准时间 the standard meridian 本初子午线 2) below standard 不合格的，标准以下的 ...
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The standard meter fulfilled its duty perfectly, although its length has been found much later too short by 0.23mm with respect with the meridian.
标准米在应用上十分成功，虽然很晚时候人们才发现其长度比经线短了0.23毫米。
Greenwich is known because Greenwich time, the time for the meridian of Greenwich, was, until 1968, standard time in Britain.
直到1968年，格林威治子午线时间是全英国的标准时间。
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