From the point of view of geobotany, with the method of correlative factors of growth of plants, a countrywide theoretic ecological division was done for the introduction of Camptotheca acuminata and three kinds of areas of ecological preferent zone, ecological adaptive zone and ecological unadaptable zone were divided. With the theory of synecology, the characteristic on environment, constitution, life form spectrum, diversity, similarity of plots of communities were researched. Applying the method of species association, discrete distribution, indensity index, fractal geometry, etc. to research relations between the species of the communities, space distribution of Camptotheca acuminata, structure of age of Camptotheca acuminata, in different communities. Using the theories of autoecology, distibutons of seeds on land and growth of seedlings in vertical and horizontal directions, biomass of organ of Camptotheca acuminata were analyzed. On the opinions of conservation biology, the external and internal factors impressing Camptotheca acuminata were analyzed to research the mechanism of the endangered species, and with using of CTM Model, the future development direction of Camptotheca acuminata in different communities were forecasted, and. Standing on the position of resources ecology, discussing the regularity of camptothein in Camptotheca acuminata of different sites and seeding of different resources, also the the derive technics of camptothecin.

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Finally three representative features are picked up, difference sum of the characteristic crack image projection in horizontal and vertical direction, as well as the pixel number of crack sub image.

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This part is divided into four small parts, they can be summarized as the following: 1 The symmetry and homogeneity of tall building is presented in four aspects:(1) The lateral rigidity of tall building follows two principal axises direction and the characteristic of deformation are very alike.

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Secondly, true taixial test by load in three different principal stress direction for study on soil anisotropic deformation characteristic are processed.

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The injury characteristic of pubis in impact case can help us judge the direction of impact. Conclusions The injury manner and t...

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In view of the characteristic of radioisotope microbattery based on p-radio-voltaic effect, it gradually becomes a new direction on micro power system.

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