The temperature effect on large tonnage fly overbeam caused by solar radiation should not be ignored, which will become the controlling factor of the structural design.
对于大吨位高架梁，太阳辐射引起的温度效应无法忽略，并可能成为结构设计的控制因素。
2
As I was running toward his crib, I saw a beam coming down and I placed myself over him trying to protect him.
就在我跑向他的婴儿床时，我看到一根房梁就要倒下来，我扑到他身上想护住他。
3
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.