Target layer is the highest level of evaluation index system and the energy consumption system reflects the level of energy conservation.

目标层为评价指标体系的最高层，是耗能系统节能水平的体现；

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The aim of the study was to develop a model based energy consumption system to predict the energy consumption for greenhouse heating in winter.

建立一个基于温室小气候模型的温室冬季加温所需基础能耗计算机预测系统，为进一步研究中国温室环境的优化调控提供依据。

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When power generation and power consumption system with same voltage class is built within the bound of ground grid with zero ground potential, operators safety in the ground grid can be ensured.

在零地电位接地网的范围内建设同级电压的发电-用电系统，可保证在该接地网内工作人员的人身安全。

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That slice of American agriculture is fundamental and really needs to continue to be emphasized and grown as a part of the entire food production and consumption system in the country.

CNN: 'Farm fresh' movement a growing food trend

So they harvest what they need for their own consumption and operate a system of barter with what is left over.

BBC: Journey to Argentina's forgotten territory

In place of the old taxes, the reform calls for a new consumption-based tax system, largely via expanding and slightly increasing the state sales tax.

FORBES: Why All U.S. States Should Eliminate The Income Tax