（3） BtoE（企业对员工，Business to Employee），是指企业使用移动手段对员工进行管理方 面的应用。
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And the overall energy pie has grown even faster, from 6 billion tons of oil equivalent (Btoe) to 11.1 Btoe.
FORBES: Magazine Article
Natural gas has upped its share of world energy supply to one-fifth (2.3 Btoe), from one-sixth (1 Btoe) in 1973.
FORBES: It's The Consumption, Stupid
Coal, too, has increased its market share, albeit slightly, to just above a quarter, from just under in 1973, with supply rising to 2.8 BToe from 1.5 Btoe.
应用推荐
模块上移
模块下移
不移动