This is the first research on the evaluation model of the level of urban greening characterized by frequency curve of green rate with the technique of aerial remote sensing and computers.
本文首次探讨并提出了应用航空遥感和计算机技术建立以绿化覆盖率频数曲线为特征的城市绿化水平评估模式。
CONCLUSION: This evaluation model serves as guidance for the improvement of service level of retail chain pharmacy.
结论：该评价模型可为零售连锁药店改进服务水平提供指导。
Results show that the credit rating model can accurately predict and evaluation of enterprise credit level and has good feasibility and applicability.
结果表明，信用评级模型能够较为准确地预测和评价企业的信用水平，具有较好的可行性和适用性。
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