说到“卡脖子”,你很有可能会第一时间想到芯片,但其实人民币印制,也一度遭遇“卡脖子”的尴尬。 要知道,货币制造技术机密重重,国外一直对关键技术采取封锁政策。
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Latest Covid19 Info
- Ontario New Case+2,632
- Ontario New Death+46
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- Canada Second doses53,629
- Canada % of population vaccinated1.87%
- Canada Received from manufacturer893,240
- Canada Received doses administered79.7%