在中国，你总可以将你的手表设定精确到秒。
In China, you can always set your watch accurate to the seconds.
对于那些时间要求精确到秒的媒体和交互式服务来说，用4 G再合适不过了。
4g will be suitable for media and interactive services for which timing on the second is essential.
原材料被搬入装/卸载平台，这样不同生产任务的转换时间可以精确到秒，而不是精确到分。
The material is carried to load/unload tables, which enable job changeover times to be measured not in minutes but in seconds.
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