1.
AT&T determined that 4KHz was the minimum amount of a spectrum needed to transport a voice call and built the entire voice-calling system around that standard.
AT&T确定4KHz是传输话音呼叫所需的最小频宽，并围绕这个标准建立整个话音传呼系统。
2.
How is severe acute respiratory syndrome transmitted?
严重急性呼吸系统综合症通过什么途径传播？
3.
The Design and Implementation of Real-Time Fax System in IP Call Center;
IP呼叫中心实时传真系统的设计与实现
4.
No-Paper-Fax System Based on Call Center;
基于呼叫中心的无纸化传真系统的研究及实现
5.
Development of the Wearable Respiration Parameter Monitor and Wireless Transmission System;
穿戴式呼吸参数监测与无线传输系统的研制
6.
Hypertension therapeutic system based on micro-breathing sensor
基于微型呼吸传感器的高血压治疗系统
7.
A Wireless Service System Based on Wireless Sensor Network
一种基于无线传感网的呼叫服务系统设计
8.
Ohmeda 7100Anesthesia ventilator-flow sensor system troubleshooting
Ohmeda 7100麻醉呼吸机流量传感系统故障检修
9.
The Function of Airway Ciliary～Mucosal Transport System and General Anaesthesia
呼吸道黏液纤毛传输系统功能与全身麻醉
10.
The passages of the human respiratory system.
呼吸器官，呼吸道人体呼吸系统的通道
11.
Development of an alarmer using beep-pager in the detection of the failure of superconductive magnetic resonance′s refrigerator
超导型磁共振液氦制冷系统故障传呼报警装置的研制
12.
Research on Call Center Human Resource Management System Based on Genetic Algorithm
基于遗传算法的呼叫中心人力资源管理系统研究
13.
Control system of sensorless BLDC used for portable ventilator
用于便携式呼吸机的无位置传感器无刷直流电机控制系统
14.
Numerical Modeling of Particle Transport and Deposition in Human Lungs
颗粒物在人体呼吸系统传输与沉积数值模拟研究
15.
Of or relating to the heart and the respiratory system.
心脏和呼吸系统的心脏和呼吸系统的，与心脏和呼吸系统有关的
16.
Distress Radio Call System
遇险无线电呼叫系统
17.
expiratory port of circle absorption system
环流吸收系统的呼出口
18.
feline viral respiratory disease complex
猫病毒性呼吸系统疾病