Ministry of Education 《Revised Mandarin Chinese Dictionary》

Enter「背景輻射」to search「Word 」, find 2 results in text, and 0 results of related information in appendix.
Text(2) Appendix(0)
No. Word
Pronunciation
1 背景輻射 ㄅㄟˋ ㄐㄧㄥˇ ㄈㄨˊ ㄕㄜˋ
2 自然背景輻射 ㄗˋ ㄖㄢˊ ㄅㄟˋ ㄐㄧㄥˇ ㄈㄨˊ ㄕㄜˋ
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