重要数据处理者应当建立数据标签标识等技术措施，监测、识别重要数据在不同主体之间传递的溯源链条。
Unix pipes are perhaps the purest expression of this idea:
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China's electric vehicle charging network continued its rapid expansion in January, with total charging connectors reaching 20.7 million by month-end, up 49.6% from a year earlier, according to data released by the National Energy Administration on Friday.