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- Based on the bat s echolocation theory, a new model of navigation system for the blind was designed using microprocessor and ultrasonic devices. 基于蝙蝠回声定位的原理,本文设计了一种新的超声波盲人导航,对盲人前面道路上的障碍物进行距离和方向探测,系统把方位和障碍物大小信息转换成可听声。
- Methods Data of benefit and cost on 7 color ultrasonic devices in using are collected and analyzed by using Benefit Cost Ratio(BCR) method. 方法:对在用的7台彩超收益和成本数据进行采样,用成本效益比法(BCR)进行分析。
- Combining this information with data from the optical, video or ultrasonic devices greatly improves the accuracy of the tracking. 把这项资讯与来自光学、视讯或超声波装置的数据结合起来，就能大幅提高追踪的准确度。
- Methods Data of benefit and cost on 7 color ultrasonic devices in using are collected and analyzed by using Benefit Cost Ratio (BCR) method. 方法：对在用的7台彩超收益和成本数据进行采样，用成本效益比法(BCR)进行分析。
- Objective To find out the benefit and cost of color ultrasonic devices in our hospital after the drop of large equipment examine fee. 摘要目的：在大型设备检查收费标准下调后，了解医院彩色超声诊断仪的成本效益状况。
- A reasonable structure to ensure the ultrasonic device working in a stable status for a long time and continuous running. 结构合理,保证超声电气长时间连续安全运行;
- The aqueous solution of the oligodeoxynucleotides was degassed by ultrasonic device and centrifugation before analyzing by non-gel sieving capillary electrophoresis (NGCE). 在无胶筛分毛细管电泳分离分析之前超声波和高速离心脱气。
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- A storage cell in some amorphous memory devices. 某些非晶体存储器中的一个存储单元。
- Labor-saving devices have emancipated women from kitchen drudgery. 许多节省劳力的设备于妇女摆脱掉乏味的厨房杂役。
- Study of the Function of Ultrasonic Device Used in Slime Flotation 煤泥浮选用超声设备的性能研究
- An embassy that was compromised by hidden listening devices. 因隐藏着窃听器而处于险境的大使馆
- These are safety devices to ensure workers against accidents. 这些安全设施是为了保护工人不出事故。
- Set up an ultrasonic wire bonding laboratory. 成立超声波电子焊接实验室.
- The acoustics of ultrasonic sound. 超音频声音的音响学
- The Russian traveler was equipped with masses of electronic devices. 这些俄罗斯旅行者携带了大量的电子设备。
- A trademark used for portable bathing devices for infants. 折叠式婴儿浴盆一种商标名，用于婴儿的轻便洗澡用具
- Rinse with warm water in an ultrasonic bath. 在超声波池内进行温水冲洗。
- Shell Selecting by Ultrasonic Surface Wave. 壳体的超声表面波分选。短句来源。
- Shenzhen Bo Da Ultrasonic Equipment Co., Ltd. 样板工程二手超声波设备。
