beam covered area 波束覆盖区
On the basis of the previous work, the authors make an estimation about power density within the beam covered area.
推导了无线电波传输路径上各点经纬度及高度坐标等参数，并在此基础上进行了波束覆盖区功率密度的估算。
The Beijian bridge and Xidong bridge of "sister bridge" are woven beam timber-arched covered Bridges, called the "most beautiful Bridges in the world".
“姐妹桥”的北涧桥、溪东桥被称为“世界上最美丽的廊桥”，这两座廊桥为编梁式木拱廊桥。
When covered with the sheet the flexural strength of the beam under test became considerably higher than ever and the maximum flexural strength improved drastically.
粘贴碳纤维布后，试验梁的受弯承载力明显提高，其中极限受弯承载力的提高更为显著。
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