1.
Too many errors occurred because of poor phone line quality.
电话线的通话质量较差，发生的错误太多。
2.
The Research and Realization on Improving the Quality of the Audio Which Based on IP;
基于IP的语音传输通话质量改进研究与实现
3.
The size of interference, directly influence converse quality QUALITY, even cause system to drop words.
干扰的大小，直接影响到通话质量?UALITY，甚至引起系统掉话。
4.
All mobile phones may be subject to radio interference which may affect their performance.
所有手机都可能因受无线电波的干扰而影响通话质量。
5.
It is FREE to open a Test Account and Check our Superior VOIP Quality NOW!!!
意思就是你可以免费去创建一个帐号去测试一下我们网络电话的通话质量!
6.
Reinforcement of the managenent of standard Chinese pronunciation test center to ensure the test quality;
加强普通话测试站管理 保证普通话测试质量
7.
Key to Quality Guarantee of Putonghua Proficiency Tests;
试论普通话水平测试质量保证的关键
8.
On Improving the Teaching legality of Spoken Mandarin;
如何提高职业院校普通话口语教学质量
9.
Strengthen the Construction of the SpeechTester s Team and Improve the Quality of the Common Speech Test;
加强测试员队伍建设,提高普通话测试质量
10.
Research on the Perceptual Evaluation of Speech Quality in Mobile Communication
移动通信网络话音质量评估与优化的研究
11.
This shows that competition can help reduce the cost of the phone calls and also can help improve the quality of services.
我们知道通过竞争可以降低通话费用，提高服务质量。
12.
Evaluation and Improvement in Putonghua Level Testing;
现行普通话水平测试的质量评析与改进——兼答《方言区普通话测评中的负面因素》一文
13.
Standard for quality inspection and evaluation of petroleum construction engineering(local line engineering)
石油建设工程质量检验评定标准通信工程（市内电话线路工程）
14.
On the Significance of Level Property of Putonghua Teaching Aim to Raise the Quality of Instruction;
论普通话教学目标的层级性对提高教学质量的意义
15.
On the Quantitative and Qualitative Analysis of Language Attitude of LoudiTeachers Colleges Students towards Mother Tongue and Mandarin;
关于娄底师专学生对母语及普通话态度的定量与定质研究
16.
The Strategy of Improving the Quality of Computer-aided PSC
浅析提高计算机辅助普通话水平测试质量的策略
17.
touched a control to improve the TV picture;touched 19 on the phone to get room service.
轻轻按动控制器以提高电视画面质量；轻按电话机上的号码19以接通房间的电话线路
18.
Standard for quality inspection and evaluation of petroleum construction engineering Telecommunication engineering (Toll open - write carrier equipment installing engineering)
石油建设工程质量检验评定标准通信工程（长途通信明线载波电话安装工程)