unit fraction

基本解释

In Egypt, so called unit fraction was in use in the times of the pharaohs.
埃及法老時期用所謂單位分數。
The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement.
該部分顯示的度量單位，而儅時的數字顯示測量的最大時間。
It was analyzed and discussed the influence factors of the butadiene extractive distillation column in the unit of extract butadiene from C4 fraction. And point out the design cruces of this column.
對C4 抽提丁二烯裝置中丁二烯萃取精餾塔的影響因素進行了分析和討論，竝提出了其設計要點。

Contracts are won and lost on a fraction of a cent per unit.
ECONOMIST: How a boring gadget saved $2 billion-worth of electricity
At even a fraction of a penny profit per unit, it looks like a very successful venture.
FORBES: Size Isn't Everything When Assessing Impact
The departure of Lawson is especially intriguing, because he took over as head of aeronautics only 12 months ago, and he is leaving to lead a second-tier company that has a fraction of the sales his Lockheed unit did.
FORBES: Move up http://i.forbesimg.com t Move down