So everything has to be rearranged and checked, like tables, chairs, mean tacks, podium, audio and visual equipments and even the lunch menu.
所以每样东西都要重新安排和检查，像桌子，椅子，不起眼的大头针，讲台，视听设备，甚至是午餐菜单。
We want to buy Audio, Video, Visual Products and Equipments Audio.
我们要采购声音的，电视的，和视觉的产品和设备声音。
The researches at home were focus on anthropometry, ergonomic evaluation of visual displays and personal protective equipments, measurement of work ability and workload.
国内研究集中在人体测量、视觉显工效学评价、个体防护装备工效学评价、工作能力和工作负荷测量等方面。
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