What is a one-time energy
Primary energy refers to the exploitation of natural resources, the direct use of energy, natural resources (such as coal, crude oil, sunlight, uranium, etc.) contained in the human without conversion or conversion of energy.
Primary energy, also known as natural energy, refers to the use of natural resources that have not been changed or changed. Such as coal, crude oil, natural gas, water, wind energy, solar energy, ocean energy, tidal energy, geothermal energy, natural uranium, etc.. Primary energy is divided into renewable energy and non renewable energy, the former refers to the repeated generation of natural energy, the latter with a little less, mainly all kinds of fossil fuels, nuclear fuel.
Primary energy: refers to the natural form of the original form, the conversion of energy resources without processing. Natural energy.
