青云翻译

Early in 1955, in recognition of net energy for socio-economic importance after, cottrell (1955) proposed the energy surplus (energy surplus), namely, energy output and energy input of the difference.

As early as 1955, after recognizing the importance of net energy to socio-economic, Cottrell (1955) energy surplus (Energy Surplus), the energy difference between the output and energy input.

Most as early as in 1955, in realized to only the energy after the social economy importance, Cottrell(1955) proposed the energy earnings (Energy Surplus), namely the energy delivers difference of with the energy investment.

As early as in 1955, recognizing that the net energy in the social and economic importance of the energy surplus Cottrell ( 1955) proposed, namely, energy (Energy Surplus ) outputs the difference between the energy input.

As early as 1955, after recognizing the importance of net energy to socio-economic, Cottrell (1955) energy surplus (Energy Surplus), the energy difference between the output and energy input.