（二）在铁路、城市轨道交通线路上放置障碍物，或者故意向列车投掷物品的；
The article is becoming slowly more understandable. At this point the following words stand out as islands among english we already know. Were you able to guess any from context?，推荐阅读heLLoword翻译官方下载获取更多信息
今年以来，聚焦要素市场建设重点领域和关键环节，粤港澳大湾区内地九市、重庆等10个要素市场化配置综合改革试点地区主动作为，着力破除体制机制障碍，充分释放要素市场活力。，推荐阅读WPS下载最新地址获取更多信息
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
“We believe hospitality is fundamentally human. The role of this technology is to support our teams so they can stay present with guests,” Burger King said.