Therefore, study how to enhance urban radiation of Chuxiong as regional central city has important theoretical and practical significance.

因此，研究增强楚雄市作为区域性中心城市的辐射力具有重要的理论和现实意义。

youdao

According to the radiation temperature derived from the imaery, the quantitative analysis of the spatial distribution pattern of urban thermal field was done.

根据反演出的地表辐射温度，对福州市城市热力场的空间分布特征和热力景观进行了定量分析。

youdao

A mathematical model utilizing inlay method and radiation method was built on the basis of the analysis of cover effect of alarm receiver on alarm system of urban motor vehicles.

根据对市区机动车辆报警系统中报警接收器覆盖效果的分析，应用嵌含法和辐射方法对报警接收器布局建立了数学模型。

youdao

Experts say terrorist groups are seeking materials for a crude nuclear device - a so-called "dirty bomb" - that would have limited blast potential but could spread radiation in a major urban area.

VOA: standard.2010.04.11