随着现代电力系统的飞速发展，配电网的结构和运行情况日趋复杂。
The configurations and operation conditions of distribution power networks are getting more and more complicated with the rapid developments of modern power systems.
本文结合石墨的主要用途，国际石墨市场行情特点，综述了当今世界上石墨生产和供求的现状以及发展趋势。
This article surveys the current and developing of world graphite production and supply situation, as well as the main application fields.
2006年宏观经济运行情况总体较好，国民经济继续保持速度较快、效益较好、物价较低的良好发展势头。
The macro-economic situation in 2006 has been basically favorable; the economy maintained a high growth rate with high efficiency while the price level was relatively low.
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