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当前学科:核医学练习题
题目:
单选
用高能准直器对低能核素显像,哪一种说法是正确的()
A . 完全不行
B . 可以,且分辨率提高
C . 可以,且灵敏度提高
D . 可以,但灵敏度降低
E . 可以,且分辨率和灵敏度都提高
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