source of radiation中文什么意思

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An ideal source of radiation is provided for an optical communication system
本文為光通信系統(tǒng)提供了一種理想的輻射源。
Request discharge survey to ensure that all sources of radiation were removed after treatment
檢查處理情況，確保清理所有輻射源。
The milky way is not an active galaxy , but it does have a powerful source of radiation called sagittarius a * at its center
銀河系不是一個(gè)活動(dòng)星系，但它中心也有一個(gè)強(qiáng)大的射電源稱(chēng)為“人馬座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，小到與光源和被照物體之間的距離相比，在計(jì)算或測(cè)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
就算排除人為輻射，人類(lèi)會(huì)在天然環(huán)境中接觸到本底輻射，如地球外殼的巖石和泥土含有份量不同的輻射元素如鈾和釷，而份量視乎地理位置，如英國(guó)的康瓦爾和阿伯丁郡最為熱點(diǎn)。