MAICO designed and produced the first hearing test instrument with a "zero reference level", coining the term "audiometer".

MAICO會秉承這一宗旨在线看欧美性爱，不斷提高我們的產(chǎn)品占有率日韩特别黄的性爱，并不斷的改進(jìn)產(chǎn)品的設(shè)計(jì)和性能最色A片视频。

Eustachian tube function, tympanogram and air hearing threshold were measured with an acoustic immitance audiometer and pure tone audiometer in 56 patients (112 ears).

利用純音測聽及聲阻抗檢測56例慢性鼻竇炎患者的純音聽力看片人人操、鼓室導(dǎo)抗圖和咽鼓管功能免费又大又粗又爽的视频。

All were determined by the acoustic immitance audiometer and pure tone audiometry. Results （1）A type was determined in 33 patients (62.26%), As type in 4 patients (7.55%), B type in 2 patients (3.77%), and C type in 14 patients (26.42%). 35 patients (66.04%) had normal air hearing threshold, 16(30.19%) had a little deafness and 2 (3.77%) had middle deafness.

結(jié)果 (1)53例患者中91精品福利区在线观看，聲阻抗鼓室導(dǎo)抗圖A型33例（62.26%），As型4例（7.55%）黄色视频久久久久，B型2例（3.77%）欧美老人激情综合网欧美综合激情，C型14例（26.42%）；正常聽閾35例（66.04%）射一射人人操一操，輕度聾16例（30.19%）91国内精天天，中度聾2例（3.77%）；(2)As、Bigao网为爱搞点激情、C型異常導(dǎo)抗圖超碰人人做人人操人人爽、峰壓值、同側(cè)對側(cè)鐙骨肌反射在线国产黄色站、坡度在鼻竇炎各分型與對照組色哟脚在线观看视频、各分型之間比較，30組比較中9組有統(tǒng)計(jì)學(xué)差異东北粗口熟女丰满高潮。

Methods The GSI-16 clinical two channel audiometer with built in sound field system was used to observe 143 cases(168 ears)with various hearing aids.

應(yīng)用GSI-16純音聽力計(jì)附聲場測聽系統(tǒng)网友自拍偷拍一区，觀察168耳不同類型助聽器使用者助聽前的聽力損失和助聽后的聽力補(bǔ)償；測試裸耳及佩戴不同類型耳內(nèi)式助聽器后外耳道共振峰幅值午夜激情黄网；測試22耳耳內(nèi)式助聽器使用者的言語分辨率精品国产AV片儿。

Key words:noise; hearing loss; audiometer

噪聲；聽力損傷日韩性色自拍视频在线观看网站；聽力計(jì)

Methods Pure tone audiometry,SISI,ABLB and white-noise masking effect(Langenbeck's methods) audiometries were performed in 30 patients (44 ears) with sensorineural hearing loss with BOSCH audiometer made in Germany.

用德國產(chǎn)BOSCH聽力計(jì)對30例(44耳)感音神經(jīng)性聽力損失患者作純音測試和閾上測聽(包括Langenbeck黄网站进入，SISI和ABLB試驗(yàn))，比較三種試驗(yàn)相對于三種聽力曲線及1插入美女嫩穴漫画，2和4 kHz三頻率的陽性結(jié)果jjzz精品视频。

Bell also invented the photophone, the ancestor of optical transmission systems; the audiometer, which is still used to test hearing; a device to find icebergs by listening to underwater echoes, the ancestor of SONAR; a desalinating machine for removing salt from seawater; a medical jacket that was the predecessor of the iron lung; the hydrofoil boat; and was part of a team that invented the three-wheel landing gear and wing flaps for airplanes.

貝爾還發(fā)明了光電話，光傳輸系統(tǒng)的原形免费操视频在线；聽度計(jì)av日韩无码爱爱，現(xiàn)在還在用于測試聽力，通過使用這種裝置收聽水底回升發(fā)現(xiàn)冰山免费www你懂的网站视频，是SONAR的原形中国野外一级视频片；一種將鹽從海水中分離的淡化海水裝置；一種醫(yī)用夾克自拍欧美日韩制服视频，是人工呼吸機(jī)的前身国产一级黄色视频免费看；水翼艇；貝爾作為研究隊(duì)伍成員之一還參與發(fā)明了飛機(jī)三輪起落架和襟翼一级黄色性交片。

To compare the AC and BC and to analyse the audiometry result, determinant the hearing loss intensity and classification

用氣欧洲精品色在线、骨導(dǎo)的閾值與正常形態(tài)相比，可提供有關(guān)聽力損失的類型和程度欧美十日韩十国产。

ABSTRACT］ Objective: To determine the threshhold of multiple auditory steadystate responses and pure tone audiometry in children aged five to ten with normal hearing, and to explore the correlation between them.

我們檢測了30例正常兒童的ASSR閾值和純音聽閾在线观看无码国产剧情AV，并探討兩者的相關(guān)性，以期為ASSR的臨床應(yīng)用提供客觀依據(jù)99这里只有精品首页。

Methods: Thirty children with normal hearing had the ASSR and pure tone audiometry determined at 0.25, 0.5, 1, 2, 4 and 8 kHz.

對30例（60耳）正常5～10歲兒童分別行ASSR與純音測聽測試国产尤物第一区第二区精品。