... 定位均方根误差 position root-mean-square error 定位卡 locator card 定位开关 azimuth stowing switch ...
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To assist in passenger contact tracing, a public health passenger locator card has been developed by an informal transportation working group convened by the World Health Organization.
为了便于与旅客保持联系，由世界卫生组织主持召开的非正式运输工作组会议出台了旅客公共卫生追踪卡。
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