标记牌 meaning in English

badge plate
identifying plate
notice plate
tag
tally

Specification for rear marking plates for vehicles
车辆尾端标记牌规范
Taxiway guidance signs
滑行引导标记牌
The tie has a black marking plate at the top , for writing any desired marks
扎带头部带有空白标记牌，可在上面任意书写所需的标记。
Petroleum industry . identification plate for commercial butane or propane container , filled " by weight "
石油工业. "按重量"注入的商用丙烷或丁烷容器用标记牌
The green tips were also reproduced as memo tags in the staff newsletter , " planning voice " , for office use . besides , publicity posters on the green tips were distributed to all sections offices to further promote the messages
该六款环保贴士的设计亦被制成各类标记牌，随部门的员工通讯《规划之声》分发给各同事使用，并印备宣传海报供各组别张贴，以推广各项环保讯息。