dao si dai 为什么
The pollution situation of si dao sha river and impact on environment were summarized and control targets of si dao sha river pollution were put forward.
摘要本文对四道沙河污染状况及其对环境的影响进行了概述，并提出四道沙河水污染的控制目标。
The measures of environmental engineering technology to control the water pollution of Si Dao Sha river were expounded.
对四道沙河水污染控制的环境工程技术措施进行了阐述。
Taking advantage of Ling Qi Jing in Dao Zang and Si Ku Quan Shu, the author studied the origin and its ideology.
作者以《道藏》本及《四库全书》本中的《灵棋经》为基本文献，考察“灵棋课法”的由来与归属。
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