采用红外传感器扫描危险位置和正常位置是否有人经过，以执行正确的命令和安全措施。
Infrared ray sensor scans danger place and normal place whether there is person passing so the PLC can give correct command and safety measure.
然后分别对车身骨架进行了弯曲和扭转工况下静态分析，初步评估车身结构静强度危险位置。
Then the article conducts static analysis of the body frame under bending and torsion condition, so that preliminary to assess the risk static strength location of the body structure.
吉拉迪诺在危险位置一记头球高出横梁。塞尔·吉尼奥又是一脚射门被守门员在近门柱挡出，米兰开始发动攻势。
Gilardino flicked a header over the bar from a promising position and Serginho fired in a shot at the near post which the keeper pushed away as Milan started to impose themselves on proceedings.
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