Several targets, such as patch number, average patch area, form index of patch, fragmentation index, sub-dimension, heterogeneity index of landscape and homogeneity index of landscape were studied.
Inorganic nanoparticle is a particle with smaller characteristic latitudinal dimension than 1 00nm, being a substance between macroscopic solid and sub-stable immediate of molecule.
无机纳米粒子是特征纬度尺寸在纳米数量级的粒子，是一种介于宏观固体和分子的亚稳中间态物质。
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This text is regarded as the sub subject of "Research on three-dimension digital map in the equipment administrative system ", apply the three-dimensional model to the management of the equipment.