| 关于水土保持与市场经济的几点思考 |
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| 引用本文： | 任杨俊 张虎林. 关于水土保持与市场经济的几点思考[J]. 中国水土保持, 1996, 0(8): 34-36 |
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| 作者姓名： | 任杨俊 张虎林 |
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| 摘 要： | 关于水土保持与市场经济的几点思考陈来如（安徽省安庆市水电局，２４６００３）（一）传统观念的水土资源远离市场１．水土资源的长期无偿使用，导致资源破坏、浪费严重。多年来，除政策失误外，经济活动中人们一直认为水、上等环境资源是大自然的恩赐，可以免费使用而无...
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| 关 键 词： | 肃北中亚沙棘，模糊动态聚类，类型划分 |
Dividing Seed Type of Central Asia Common Seabuckthrou in North Gansu Province by Using Fuzzy Dynamic Assembly Method |
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| Abstract: | Bsaed on investigative materials of 34 samples of Central Asia common seabuckthron from Danghe valley in North Gansu Province,according to the indexes of colour, form,size of fruit,the weight of 100 fruits,length of fruit-stem;size, form of seed and weight of 1000 seeds, the paper divided the Central Asia common seabuckthron into 10 type by using fuzzy dynamic assembly method, and named them in the light of the chracteristics of colour, form and size respectively.The aim is to research a new way to divide the type of common seabuckthron and provide basis for seeding and using of common seabuckthron. |
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| Keywords: | Central Asia common seabuckthron in North Gansu Province fuzzy dynamic assembly method division of type |
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