[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

探头频率越高分辨率越好但穿透深度越浅:15MHz以上探头对致密型乳腺(BI-RADS致密度C/D级)或大体积乳房深部组织显示衰减明显,此类人群应选择支持宽频复合探头(5-18MHz可调)的机型

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