Auditory brainstem response (ABR) was absent or severely abnormal.

听性脑干反应(abr)引不出或严重异常。

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Methods Auditory brainstem response(ABR)and otoacoustic emission of distortion products(DPOAE)were assayed to 20 guinea pigs, then variant hair cells were observed and counted.

方法测定2 0只豚鼠听性脑干反应（ABR）阈和畸变产物耳声发射（DPOAE）振幅，观察耳蜗毛细胞静纤毛变异形态，计数变异的毛细胞数目。

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Auditory brainstem response (ABR) threshold and hemorheological index were measured and cochlea microcirculation on several different time point before and after being exposed to blast respectively.

爆震前后于多个时间点测定听觉脑干反应(abr)阈值与血液流变学各指标，并观察耳蜗微循环。

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