描述
良好的实时性。为满足过程控制中的实时性要求并对事故进行及时处理,要求数据通信网络必须具备良好的实时性,即在确定的时限内完成信息传送。这个时限是根据被控过程的实时性要求确定的,而且无论在何种情况下都有不得超过这个时限,这就要求在共用传输介质时,很好地解决信息在网络上的碰撞问题,以确保在任何通信负荷下都能满足实时性要求。
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Taylor-Wharton 34HCB 34L High-Capacity Nitrogen Dewar
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Buchi Rotovap Rotovapor Drain Stopcock Shut-off Valve
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Lab Glass Vacuum Chamber 4″ OD 2.75″ ID Tee Huntington
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