The Exploitation of the Geographic Information System of the West Lake dragon well tea Base
Data collection:
According to the survey's content, design, record the following table: survey record sheet, based on the content attribute data, marking the tea block attribute information; plot coordinates, record the GPS measured coordinates corresponding to the boundaries of tea land point; Results from one animal study suggest that polyphenols in dragon well tea may block the intestinal absorption of cholesterol and promote its excretion from the body.
Delete point coordinates, records need to be removed from the land boundary coordinates. Bu this data out this survey after finishing outside the industry are based on the Excel. XLS format stored. Which this data is read into the system after being converted to the Access. MDB format. In another small study of male smokers, researchers found that dragon well tea significantly reduced blood levels of harmful LDL cholesterol.
Table 1 West Lake Longjing tea base survey record number of forest land ownership table the right to use forest land base and the type of plot is the new age of open business-like Shen. Several population-based clinical studies have shown that both green and black teas help protect against cancer. For example, cancer rates tend to be low in countries such as Japan where people regularly consume dragon well tea.
Special difficulties generated by land-based layer, according to forest land use rights, whether to open, the base type of graph to generate a variety of topics. However, it is not possible to determine from these population-based studies whether dragon well tea actually prevents cancer in people.
Yi Wan-meter, according to calculations based on land area of the layer deposited to the questionnaire, and automatically generate various statistical reports statistics can also be used mountain), "his picture set in the map window Japan Fan, selected statistical data. Emerging clinical studies suggest that the polyphenols in tea, especially dragon well tea, may play an important role in the prevention of cancer.
According to Yi in order to facilitate future maintenance management, allows attribute data to add. In one study that compared people with and without bladder cancer, researchers found that women who drank black tea and powdered dragon well tea were less likely to develop bladder cancer.
Add, modify, delete and other maintenance operations to ensure the timeliness of the data. A follow-up clinical study by the same group of researchers revealed that bladder cancer patients (particularly men) who longjing tea had a substantially better 5-year survival rate than those who did not.
Not only can query the contents of the survey queries, you can also plot the graph of the query object, the conditions can be combined query; a variety of graphical objects can be length, area measurement, tracking display its geographic location, etc. Clinical studies in animals and test tubes suggest that polyphenols in dragon well tea inhibit the growth of breast cancer cells.
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