利用该公式,由实测的结构振动特性反演得到预应力筋的实际内力。
Maybe we drag ourselves to the local bar to hang out with some friends and eat, drink, and watch the news on TV – which adds its own layer of stress – hoping our feelings will just disappear.或许我们会拖着身体去本地的各种吧去和朋友约会,吃吃喝喝,看看电视上的新闻,或许希望这种疲惫会烟消云散,但这些都是徒增自己的压力。
If you have ever had the unfortunate incident of losing a cell phone - maybe accidentally leaving it in a bar - you probably know the frantic stress that can come with searching for the device.如果你曾经有过丢失手机的不幸遭遇——也许是不小心把手机落在酒吧里——你可能就知道寻找手机时的焦躁不安的心情。