The product achieves a flow meter automatic data collection, sent from time to time, the data anomaly alarm, and the realization writing the communication between machines.
该产品实现了水表流量数据的自动采集、定时发送、数据异常的自动报警、实现了与手抄机间的通信功能。
参考来源 - 智能无线远传水表设计及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
但是，并非始终都是这种情况，并且可能会出现失效数据异常。
However, this may not always be true, and stale data exceptions might occur.
通过此策略，由于您未对数据保持读取锁，因此在执行更新操作时遇到失效数据异常的机率会增加。
With this strategy, because you are not holding read locks on data, the chance of getting stale data exceptions when you execute the update operations increases.
远程和命名异常是系统级异常，而应用程序和非法数据异常是业务级异常，因为它们提交更适用的业务信息。
Remote and naming exceptions are system-level exceptions, whereas application and invalid-data exceptions are business-level exceptions, because they deliver more applicable business information.
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