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There is an active shooter in this school. How do the people inside respond?
学校有个枪手，里面的人如何回应？
Will they behave differently if the building is designed differently?
如果建筑的设计不一样，那么他们的行动是否也会不一样？
Virtual reality is the first step to answering these questions, giving engineers a safe space to find ways to create safer buildings.
虚拟世界是回答这些问题的第一步，给工程师一个安全的空间来寻找方法，创建更安全的建筑。
We're interested in looking at how different building attributes affect responses to incidents of extreme violence,
我们对不同建筑感兴趣，这会影响人们在遇到极端暴力事件的反应，
and that's something that we can't manipulate easily in the real world,
这种事情在现实世界是很难掌控的，
but in virtual reality all of that is possible and it's possible, safe and ethically.
但在虚拟世界这些都是可能的，这是可能的，安全的，也是合乎道德的。
Various building designs for a school or office setting can be tested in VR with teachers and office workers on treadmills,
为学校或办公进行的各种设计通过虚拟现实进行测试，老师和工作人士在跑步机测试，
similar to this, so they can run or walk. Some of the design options include the placing of exits or establishing hiding places in here,
类似于这个，他们可以跑或走路，一些设计选择包括放置出口或建立隐蔽地方，
using sensors and artificial intelligence, a building can have clear windows that become frosted when danger is sensed.
使用传感器和人工智能，还可以拥有明亮的窗户，一旦感知到危险可以变磨砂。
It could be the case where there are sensors when they pick up the noise levels.
通过传感器感知噪音水平，这是可以实现的。
If there is a shooting, obviously there it will come with some increased noise levels and shouting and other clues.
如果有枪声，显然会增加噪音水平，还有尖叫等其他声音来源。
So the building can have for example, dynamic walls that lock up maybe the bad actor in the building.
所以建筑可以建造比如动态墙，动态墙可以锁住建筑中的行凶者。
An intelligent building can also produce digital signage that points occupants to the safest exits, away from the violence.
一个智能建筑也可以产生数码标记，让居住者进入安全出口，远离暴力。
So, I don't believe we are too far from having these kinds of intelligent environments.
所以我不认为我们离这些智能环境很遥远。
Once researchers understand how different design features influence people's behavior, they can design better buildings
一旦研究人员了解了不同设计对人们行为的影响，他们可以设计更好的建筑，
and with types of technologies that will keep people safe.
用各种技术保证人们的安全。
Elizabeth Lee VOA News Los Angeles
李伊莎白·李，VOA新闻洛杉矶报道
