A system of measurement originating in France. In 1875, representatives of 17 countries held a conference in Paris to establish an internationally universal system of measurement. Major units include the meter of length, the kilogram for mass, the liter for the volume. In 1959, the Chinese government once stipulated that the Chinese basic system of measurement followed the metric system. In 1984, the State Council of China issued an order to implement unified units of measurement. It's...