The beautiful Bird's Nest consumed 42, 000 metric tons of steel (roughly 500 kilograms per square meter).
漂亮的鸟巢消耗了4万2千吨钢(约莫每平方米500公斤钢材)。
Now, the BCZ100-1 ultrasonic power meter, as a metric instrument of medical ultrasonic diagnostic equipment, is widely adopted by medical metric departments.
目前，我军各级医学计量单位普遍使用BCZ100 - 1型便携式毫瓦级超声功率计作为超声诊断设备的计量仪器。
A metric unit of length equal to one thousandth of a meter.
公制长度单位等于千分之一米。
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