就在那时，需要去产生两个标准的原型(米，公斤)，根据这两个标准的原型，度量衡才能复制到法国各地。
It was then necessary to produce the two prototype standards (metre and kilogram) on to which the measurements would be copied for distribution across France.
这台小空调不到两公斤，被固定在一根大约半米长的管子尾部，这种管子可以安装在标准的婴儿车。
The device, which weighs less than 2 kg (4.4 lb) looks like a motorized fan attached to the end of about a half-meter long pipe that can be fitted under a typical pram.
该研究所花了两年时间开发Mahru - Z的是1.3米（4.3英尺），体重55公斤（121磅）的机器人。
The institute took two years to develop Mahru-Z, which is 1.3 metres (4.3 feet) tall and weighs 55 kilograms (121 pounds). (STR/AFP/Getty Images)
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