系统采用单主站方式，在自由口模式下控制串口。
The system adopts single main-station to control the serial ports under free port mode.
通讯方式主要有两种：PPI主从通讯、自由口模式通讯。
Two modes of communication, one is PPI master - slave protocol, one is free port protocol.
通过自由口通信协议，加快PLC之间的通信速度，满足了系统的要求。
Through the free port mode communication protocol, accelerate the speed of communication between PLC, has met the systematic demand.
小区采集器与单元采集器及用户煤气表通过自由口通信方式组成分布式网络。
The district collector, the unit collector and user's gas meter made up the distributed network.
该方案将自由口编程完全采用智能仪表的特定通信协议，既简化网络结构，又节约布线。
The free-port program with special communication protocol of intelligent instrument is used in the scheme, not only network structure is simplified but also wire laying is saved.
通过上位机pc与PLC以自由口方式串口通信实现PC对PLC的实时监控，并用PLC对温度、压力进行控制。
Realtime control between PC and PLC is realized through serial communication by freeport mode, and the control of temperature and pressure is realized by PLC.
详细介绍了在自由口模式下S7- 200PLC与计算机实现串行通信的方法，重点介绍了通信协议及其实现方法，并给出了编程实例。
How to implement serial communication between S7-200 PLC and computer based on free port mode was described in detail in the paper.
难民们享受第一口自由的呼吸时，有一些感人至深的场面。
There were emotional scenes as the refugees enjoyed their first breath of freedom.
在这个混合物里，结合紧密的轨道就像一口井，自由电子落入其中，使得物质更容易捕获电子。
In this compound, the tightly bound orbitals act like Wells into which free electrons can fall, allowing the material to capture them more easily.
约翰说一口流利的俄语。自从他们回到美国来以后，他一直是一个自由职业的翻译。
John speaks fluent Russian and has worked as a freelance interpreter since they came back to the U.S..
约翰说一口流利的俄语。自从他们回到美国来以后，他一直是一个自由翻译。
John speaks fluent Russian and has worked as a freelance interpreter since they came back to the U.S..
威廉姆·马歇尔在影片中饰演了一位非洲王子Mamuwalde，德古拉将他咬伤转化为吸血鬼并封印在一口棺材之中，当他重获自由时已是20世纪70年代。
William Marshall stars as Mamuwalde, an African prince transformed into a vampire and then imprisoned in a sealed coffin by Count Dracula, only to find himself released in the 1970s.
一个亚洲发展银行关于日本，韩国，新加坡和泰国07年到08年出口情况的调查发现仅仅22%的公司从双边自由贸易协定中获益。
An ADB survey of exporters in Japan, South Korea, Singapore and Thailand in 2007-08 found that only 22% took advantage of them.
一个新的，自由的时代到来了。所有的人都会知道，斯巴达300勇士用尽了他们的最后一口气去捍卫它！
A new age has orge, an age of freedom. And all will know that 300 Spartans gave their last breath to defend it.
所有人都会知道三百斯巴达人为自由而咽下最后一口气。
And all will know that three hundred Spartans gave their last breath to defend it!
现在，我可以帮它，用我这把刀，轻轻割一个口，它就自由了。
Now, l could help it. Take my knife, gently widen the opening, and the moth would be free.
自由女神像在纽约湾口。
今年暑假，我们一家三口与爸爸同事一家三口开车去四十公里外的微山湖游玩，两个男人痴迷于钓鱼，我们俩女娃只能在两个讨厌的女人看管下 “自由”活动。
This summer vacation, we three and my father colleagues drove to forty kilometers, weishan lake, two men obsessed with fishing, both of us baby girl only under two hate women watch "free" activities.
根据对实际交通状况的分析，将路段行程时间分为三个部分，即自由行驶时间、排队等待时间和通过交叉口时间。
According to the analysis on the actual traffic status, the whole road travel time is divided into three parts; free travel time, queue waiting time and passing intersection time.
充分利用了DSP芯片高速的、强大的数据处理能力和FPGA芯片具有的众多I／O口资源且均可以自由编程支配的特点，使系统能较好的完成课题的任务。
With the fast and powerful data processing ability of the DSP controller and abundant and free programing I/O resource of the FPGA, the system can better accomplish all the tasks.
自由流动的粉末状或粉末压缩成独特的形状的香口胶。
Powdered gum - free-flowing powder form or powders compressed into unique shapes.
要庆幸你还有一口气在，你的心胸还能把生命关注到你的全身，你还能自由思考。
Be grateful that you can draw breath, that your heart pumps life around your body, that you are free to think your own thoughts.
她说，它遍地下，她一口气：'自由，自由，免费！
She said it over and over under her breath: 'free, free, free!
古巴，这个植被葱郁、有着1100万人口的贫困国家正在慢慢向自由市场转化，他们发现自己正站在一个国际十字路口。
Cuba, a verdant, struggling country of 11 million people that has been moving slowly toward free-market changes, finds itself again at an international crossroads. Mr.
古巴，这个植被葱郁、有着1100万人口的贫困国家正在慢慢向自由市场转化，他们发现自己正站在一个国际十字路口。
Cuba, a verdant, struggling country of 11 million people that has been moving slowly toward free-market changes, finds itself again at an international crossroads. Mr.
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