• These days China produces most of the world's HFC-23.

    现如今中国生产世界大部分HFC - 23。

    youdao

  • Most of the world's factories that produce HFC are in China.

    全球多数产生氢氟烃工厂中国

    youdao

  • Hydrofluorocarbon - HFC: a substitute for chlorofluorocarbons.

    氯烃:一种氟氯烃的替代物。

    youdao

  • HFC broadband access network is an effective solution to the problem.

    HF C宽带接入网解决这一问题的有效途径。

    youdao

  • Upstream communication is the key in the construction of HFC access network.

    HFC上行通信构建宽带HFC接入网关键

    youdao

  • The very cheapness of cutting emissions of HFC-23 makes the trade controversial.

    减排HFC-23非常廉价使得这个交易备受争议。

    youdao

  • Ingress noise has great proportion in sorts of noise on upstream channel in HFC.

    HF C网络回传通路各类噪声,输入噪声占有相当大的比重

    youdao

  • HFC network data transaction accounting system solved these problems successfully.

    HF C网络计费系统成功地解决了上述问题

    youdao

  • But practice shows that HFC does not always behave as a broadband network as we think.

    从技术实践来看,HFC表现出来并不完全宽带的特性。

    youdao

  • This paper presents a HFC network management system solution based on HMS and SNMP protocols.

    提出一种基于HMSSNMP协议的HF C网络管理的解决方案

    youdao

  • Based on new HFC Network, this thesis is to design and realize gatekeeper software of IP telephone.

    本文研究基于新型HFC网络IP电话关守软件设计实现

    youdao

  • Hydraulic fluid power. Fluids. Measurement of filtrability of HFC and HFD class fire resistant fluids.

    液压流体动力流体HFCHF d防火流体过滤性测量

    youdao

  • The network management system of HFC is introduced, and the shortage of this technology is pointed out.

    介绍HF C网络管理系统组成,指出这项技术应用的局限性。

    youdao

  • Factories have found that their damaging by-product, HFC-23, can be more valuable than their main output.

    工厂发现他们有害副产品HFC - 23还主要产品值钱

    youdao

  • Then discusses the interactive operation through the CATV networks, especially the HFC access technology.

    接着讨论有线电视网上交互业务尤其是HFC接入技术。

    youdao

  • On the basis of analyzing HFC and EPON, the method of digital television transmission over EPON is proposed.

    分析HFCEPON有关性质基础上提出基于EPON的数字电视传输方法

    youdao

  • This paper introduces structure, character, main design and method of adjustment of CATV two-way HFC network.

    系统介绍有线电视双向HF C网络结构特点设计要点调整方法

    youdao

  • This paper introduces the oil solubility behaviours of several currently available HFC substitute refrigerants.

    介绍目前可行几种HFC替代制冷剂的特性

    youdao

  • This paper presents a design of transparent bridge which can connect cable network and Ethernet in HFC network.

    实现种在光纤同轴电缆混合接入(HFC连接电缆网络以太网透明网桥

    youdao

  • But there is little incentive for approved incineration schemes to reduce the amount of HFC-23 that they produce.

    但是对于批准焚化方案减少HFC - 23产生数量,得到鼓励并不多。

    youdao

  • The most potent greenhouse gas is HFC-23, a by-product of HCFC-22, a chemical used in, among other things, fridges.

    温室效应最强其他十三氟甲烷(HFC - 23),用于冰箱制冷的化学物质HCFC - 22的副产品

    youdao

  • It is also trialing a new, less damaging type of HFC gas (R407a) to replace existing HFC (R404a) gas in in-store fridges by 2012.

    并且测试新的危害较小HF C气体(R407a),2012年前将替换现在店铺所用冰箱使用的HF C气体(R404a)。

    youdao

  • This pager introduces simply the interrelation between analog modulation signal and digital modulation signal on HFC networks recently.

    简要叙述现阶段HFC网络中模拟调制信号数字调制信号的相互影响。

    youdao

  • The number of new projects targeting HFC emissions is falling as developers run out of factories in which to install the cleaning equipment.

    针对氢氟烃排放项目数量正在减少,因为可供安装清洁设备的工厂已所剩无几。

    youdao

  • This paper introduces the functions, composition of the intelligent plot, and then discusses its implementation in CATV bidirectional HFC network.

    介绍智能化小区系统功能组成以及智能化小区有线电视双向HF C网络中的具体实现

    youdao

  • Network configuration, spectrum allocation, two-way communication, protocol at lower layer and network management for HFC are analysed and studied.

    文中对这种网络网络结构频谱划分双向通信低层协议以及网络管理进行了分析研究

    youdao

  • CMTS system is one of the key devices in HFC network, it can make CATV users access broad-band network and enjoy the interactive integrated service.

    CMTS系统HFC网络中的关键设备之一能够使有线电视用户实现宽带接入享受交互式综合业务服务。

    youdao

  • The improvement field emission by Hf coating on CNTs surface is attributed to the low work function, chemical inertness and good conductivity of HfC.

    我们认为纳米管表面发射性能提高归功于表面碳化良好导电性化学惰性逸出

    youdao

  • Introduced the application of low optical power receiver to HFC network. Signal testing and economical benefit analyzing were presented at the same time.

    介绍功率接收机有线电视HF C网络中的应用,并对信号指标进行测试比较,对经济效益进行分析。

    youdao

  • Meanwhile, Matt Poese and colleagues at Pennsylvania State University in University Park are developing an HFC-free air conditioning system based on sound.

    同时宾夕法尼亚州州立大学帕克学院特珀斯正和同事们开发一种基于声音的无氟空调系统

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定