为了使移动IP可满足实时应用，有文献提出采用二层触发器的方法提前触发三层切换，但是这些方法存在指示不准确、触发方法不明确等问题。
In order to satisfy real-time applications, L2-Trigger has been proposed by some literatures to trigger layer 3 handoff ahead to decrease the handoff delay of mobile IP.
电力企业功率表与电流表指示不准，将严重影响计量的准确性。
The inaccurate indication of power meter and ampere meter will seriously influenced the metering accuracy of electric power enterprise.
你后面的链接是过时的，不准确，或服务器已指示，不要让你拥有了它。
The link you followed is either outdated, inaccurate, or the server has been instructed not to let you have it.
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