骨导掩蔽测试；
一耳正常、另耳为传导性聋，测试患耳骨导时不需掩蔽；
When one ear normal and the other is the conductive impairment, need no masking when testing the diseased ear.
受试者坐在标准测听室内，由专业技师检查气、骨导纯音听阈。
All the subjects sat in the standard audiometric room, the air and bone conducted pure-tone auditory thresholds were examined by the professional technician.
大前庭导水管综合征纯音听阈可以有低范围的气骨导差，但原因不明。
An air-bone gap might exist in ATPT of LVAS at low frequencies, while the underlying cause remains unclear.
本文仅涉及为研究一种多功能的骨导送话器测试仪而开展的应用基础研究结果。
This article involves tbe achievement of development of applied basic research for studying a multifunctional bone-conduction transmitter testing instrument.
二组的年龄、术前气导（AC）和术前气骨导差（ABG）相似，统计分析差异无显著意义。
The two groups were comparable in the air conduction (AC) and air bone gap (ABG) values , and had no difference statistically.
本文描述的骨导双耳同时记录EOAE并描记声发射耳蜗图的方法可用于临床的听力客观评价。
The technique of simultaneous recording of binaural EOAE and plotting of emission cochleogram described in this paper isclinically useful as a means of Objective evaluation of hearing.
与此同时，结合数字信号处理知识，分别用谐波修正和时变数字滤波器的方法，完成基于骨导信号的语音重构。
At the same time, based on the knowledge of digital signal processing, reconstruction by harmonic correction and time variant digital filter was proposed.
手摇钻也可以减少导针在舟状骨内折断的风险。
Hand drilling also decreases the risk of breaking off a guide wire in the scaphoid.
结论：我们提出一种椎弓根通道分类描述当椎弓根导针植入遇到的骨性解剖结构。
CONCLUSION. : We propose a classification for pedicle channels describing the osseous anatomy encountered during pedicle probe insertion.
我们提出一种新椎弓根通道分类描述当椎弓根导针植入遇到的骨性解剖结构。
We propose a novel pedicle channel classification describing the osseous anatomy encountered during pedicle probe insertion.
一种带定位器的骨科导钻，用来引导骨钻钻孔方向。
A kind of orthopedics guide drill with a positioning device is used to guide the direction of the bone drill in drilling.
一种带定位器的骨科导钻，用来引导骨钻钻孔方向。
A kind of orthopedics guide drill with a positioning device is used to guide the direction of the bone drill in drilling.
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