The design of solar house according to local climate and building materials is described. It is analysed for the solar energy operation and its working data during summer in 1998.

根据南宁气候条件和建材资源进行实验性太阳房的坡屋面设计，分析其太阳能运转系统，并对1998年夏季运行的实测数据进行分析。

youdao

Big energy projects cost billions to build and remain in operation for decades.

大型能源项目需要花费数十亿资金修建，将运营数十年。

youdao

A couple of weeks after the operation I felt my energy and concentration returning. It was a huge relief.

在手术后的几周时间里，我感觉到自己的能量和注意力在逐渐恢复，心里的石头总算落了地。

youdao

Another rationalization under consideration: combining the oil and gas operation with PreussenElektra to form a single, integrated energy operation.

FORBES: Ulrich Hartmann's second act

The first piece was Sempra Commodities, a small energy trading operation launched at Drexel Burnham Lambert, then acquired by AIG.

FORBES: Gas Guzzler

Eastern also had a large energy trading operation.

FORBES: Waiting game