画面显示幸存者在被水围困的家中，在居民楼的上层楼面，挥舞着白色床单。
The images showed survivors in a home surrounded by water, waving white sheets from the upper floors of buildings.
这问题促使工程师们设计出利用传感器监测建筑物运动的有源阻尼器，和照着定位在上层楼面的移重而回应的动力促动器。
This has prompted engineers to devise active dampers that use sensors to monitor the building’s movement and powered actuators to respond accordingly by moving weights placed on the upper floors.
这问题促使工程师们设计出利用传感器监测建筑物运动的有源阻尼器，和照着定位在上层楼面的移重而回应的动力促动器。
This has prompted engineers to devise active dampers that use sensors to monitor the building's movement and powered actuators to respond accordingly by moving weights placed on the upper floors.
单层楼面用作上层地面时，仅由支承于墙上的木梁组成，如图8所示。
Single floors, used as upper floors, consist simply of timber joists supported by the walling. Fig. 8 shows a single upper floor.
单层楼面用作上层地面时，仅由支承于墙上的木梁组成，如图8所示。
Single floors, used as upper floors, consist simply of timber joists supported by the walling. Fig. 8 shows a single upper floor.
应用推荐