The concepts of productivity and the relative efficiency of productive forces are advanced.

生产力效率，以及相对生产力效率的概念。

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The relative efficiency evaluation of decision making units (DMUs) in fuzzy environments is studied.

研究了模糊条件下决策单元的相对有效性评价问题。

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Chapter two: the relative efficiency concept of foreign exchange market and the comparison of EMH and FMH.

第二章：外汇市场相对效率及EMH与FMH市场解释能力之比较。

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But that leaves another 28m-odd waiting to register, out of a population probably twice that size, most of it in places without the relative efficiency of Kinshasa for running a high-tech electoral system.

ECONOMIST: Worries are growing as Congo's election timetable slips

What we are talking about here is customer service efficiency, how much value your service adds relative to the price you charge.

FORBES: The Next Big Product to Become Obsolete

What makes this program unique is the relative ease it offers for companies to begin their sustainability journey by focusing on easier-to-measure energy efficiency initiatives.

FORBES: CSR And The Job Hunt: 51 MBA Students LEED The Way On Sustainability