...规格描述或项目基本概况介绍：包号货物名称简要技术要求数量(套)预算(万元)是否接受进口产品投标1分子束外延生长系统(MBE System)生长室可安装至少10个源炉1650是注：本项目共分1个包，投标人只可投完整包不允许将一包中的内容拆开投标。
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MBE Vacuum System 分子束外延真空系统
This system realized a voice communication system based on the AMBE2000, this chip USES the MBE algorithm to obtain low changeable communication rate, and high speech quality.
本次系统实现了基于AMBE2000的低速率语音通信，该芯片采用改进的多带激励(MBE)算法，能实现可变速率低比特率、高语音音质的语音压缩编码。
The activation results of MBE GaAs photocathode are strongly affected by the system vacuum pressure, and with which the preparing technique of MBE varied doped photocathode should be adjusted along.
MBE阴极激活结果受系统真空度条件影响较大，因此对MBE变掺杂光阴极的制备工艺应随系统真空度条件不同而调整。
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