source of radiation meaning in English

辐射源

An ideal source of radiation is provided for an optical communication system
本文为光通信系统提供了一种理想的辐射源。
Request discharge survey to ensure that all sources of radiation were removed after treatment
检查处理情况，确保清理所有辐射源。
The milky way is not an active galaxy , but it does have a powerful source of radiation called sagittarius a * at its center
银河系不是一个活动星系，但它中心也有一个强大的射电源称为“人马座a * ” 。
Source of radiation the dimensions of which are small enough , compared with the distance between the source and the irradiated surface , for them to be neglected in calculations and measurements
尺寸很小，小到与光源和被照物体之间的距离相比，在计算或测量中其尺寸可以忽略的光源。
Even without these man made sources of radiation , exposed to natural background radiation . the rocks and soil of the earth s crust contain variable amounts of natural radioactive elements such as uranium and thorium . this varies with geography - for example the hottest places in britain are cornwall and around aberdeen
就算排除人为辐射，人类会在天然环境中接触到本底辐射，如地球外壳的岩石和泥土含有份量不同的辐射元素如铀和钍，而份量视乎地理位置，如英国的康瓦尔和阿伯丁郡最为热点。