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最佳答案：肿瘤介入热疗机Tumor intervention thermotherapy machine放射性粒子计划系统 Radioactive particles p
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最佳答案：Marie Curie (1867-1934) the French nationality Poland scientist, the research ra
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最佳答案：an simple introduction from the discovery of Radium--a Natural radioactive eleme
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最佳答案：1、Until Madame Curie used X-ray to develop the radiactivity did the scientists r
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最佳答案：1.Asking the public not to leave these small trees,debris (请求)2.Scientists are i
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最佳答案：This is a volcanic rock in Tengchong County,Yunnan,Tengchong,Yunnan Province is
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最佳答案：a Slowly Risen Hope StarThe warm sun which we expected for long is rising slowly