HSN tended to be more sensitive in detecting vestibular asymmetry than IN and head thrust sign.
HSN在检测前庭不对称方面比IN和推头试验更敏感.
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A new HSn 70 - lCB alloy with Ce and B additions in HSn 70 - l is investigated in present paper.
本文通过添加Ce和B元素,研制了一种新型无As的HSn70—1CB合金.
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