Objective: To understand the basic situation, characteristics and consequences of central stimulants and other related psychoactive substance abuse.
目的：调查全国部分地区中枢兴奋剂及相关非法精神活性物质滥用的基本情况、特点和危害。
At the same time, the article also hopes to allow the side slope landscaping workers to understand the basic situation and technical levels of biological protection on rock slopes.
同时让边坡绿化工作者了解我国的边坡生物防护的基本情况及技术水平。
The first chapter: Introduction to the origin of the miao nationality dance culture and basic situation, to understand the miao dance performance to provide historical premise in the life.
第一章：介绍苗族舞蹈文化的起源与基本概况，为了解苗族舞蹈在生活中的表现提供历史前提。
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