Natural gas is clean primary energy.
天然气是清洁的一次能源。
In China, coal is taken as the key primary energy.
我国是一次能源以煤为主的国家。
Energy can be divided into primary energy and secondary energy.
能源可分为初级能源及次级能源。
This allowed them to calculate the facility's three primary energy metrics.
这使得他们能够计算这种设备的三个主要的能量指标。
A power system is closely linked to the primary energy and the environment.
电力系统与能源和环境息息相关。
National primary energy production reached 1.34 billion tons of standard coal.
一级能源生产达到13.4亿吨标准煤。
The coal is primary energy and essential industry raw material of our country.
煤炭是我国的主要能源和重要工业原料。
The coal mine as the primary energy in our country, is national economy vitals.
煤矿作为我国的主要能源，是国民经济的重要命脉。
Meanwhile, the use of primary energy sources destroys badly our country's environment.
同时由于一次能源的使用使我国环境遭到了很大的破坏。
Physical – This is the primary and most fundamentalsource of energy.
生理的 -这是最主要和最根本的精力来源。
There are primary and satellite power points of energy on the planet.
在这个星球上有主要的和卫星功率点的能量。
Physical -this is the primary and most fundamental source of energy.
生理的-这是最主要和最根本的精力来源。
Information and knowledge are replacing capital and energy as the primary wealth-creating resources.
信息和知识正取代资本和能源作为创造财富的主要资源。
Power generation means conversion of energy from a primary form to the electrical form.
发电就是将一次能源转变为电能。
On the energy conversion relationship between primary and secondary, it gets thrust.
根据初次级能量转换关系，得到推力方程。
Energy saving effect of modular chillers applied in variable primary flow system is analyzed.
分析了模块化冷水机组应用于变主流系统中的节能效果。
Variable primary flow chilled water system is a system with energy saving.
变流量一次泵水系统是一种节能的空调水系统。
And the commerce is a primary measure to prompt the urban center energy.
商业成为增强市区活力的重要手段。
Most research about wireless sensor network take energy-saving as their primary target.
无线传感器网络的研究大多以节约能量为首要目标。
Perhaps being a top student in primary or middle school did not take much effort or energy.
也许你没费多大劲就在中小学拔尖，又或许你没有像同班同学那样努力也考进了大学。
Perhaps being a top student in primary or middle school did not take much effort or energy.
也许你没费多大劲就在中小学拔尖，又或许你没有像同班同学那样努力也考进了大学。
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