目的通过对四片瓦的显微鉴别研究，填补湖南湘西地区土家族医药生药学研究的空白，并为土家族药物的开发利用及质量标准的制定提供依据。
Objective: A microscopic study on Lysimachia pardiformi S Franch was carried out, the result can provide a scientific basis for its development, utilization and quality standard.
几天之后，带着摄像机的救援者满怀好奇地姗姗来迟，一起来到的还有悲痛欲绝的孩子家长。而这时，那座四层楼高的学校已经只剩下一片断瓦残垣。
Days later, as curiosity seekers came with video cameras and as parents came to grieve, the four-story school was no more than rubble.
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