优 缺 点 优点：直接、客观 缺点：所得信息比较抽象，只知其然，不知其所以然 2、观察调查法 垃圾调研法（Garbage Research） • 垃圾调研法（Garbage Research） 垃圾调研法指清理分析消费者的垃圾，从而掌握消费者行 为的调研方法。
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Sun Research have published a paper (PDF document) which provides more details on Garbage-First and provides some information on how these objectives, in particular the real-time goal, are achieved.
Sun研究小组发表了一篇论文(pdf格式)更加详尽地论述了Garbage - First并深入分析了如何实现这些目标，尤其是实时目标。
The source and character of garbage leachate, its current treatment technology research and discharge standards of leachate were discussed in the article.
论述了垃圾沥滤液的来源和性质，介绍了垃圾沥滤液的现有处理技术的研究情况，并对沥滤液的排放标准进行了探讨。
So we are moving from just environmental problem of garbage into conservation research.
这样，我们就从环境方面的垃圾问题转移到保护研究方面。
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