...能源比价；时变动态回归模型；MCMC [gap=15780]Key words energy price；energy use per unit of GDP；price structure of energy；dynamic timevarying regression model；MCMC ..
基于1个网页-相关网页
Practical design of this new type of hot air generator, with energy conservation, efficiency, small size, safe and convenient structure is simple, easy to install, low price advantage.
本实用新型设计的热风发生器，具有节能，高效，体积小，安全方便结构简单，容易安装，价格低等优点。
The cost structure of energy consumption of hot oil pipeline has greatly taken place by the constant increment of electrovalency and great drawdown of heating oil price.
由于电价不断上涨导致燃油价格大幅度下降，使热输管道的能耗成本结构发生了较大变化。
应用推荐