New channels of communication and data and information exchange were opened up with mainland Chinese authorities, and technology was implemented, including now a supercomputer that actually does contact tracing in Hong Kong.

与中国大陆当局开辟了新的沟通、数据和信息交换渠道， 并实施了技术，包括现在在香港实际进行接触者追踪的超级计算机。