本文提出了一种新型的宽角度等功率分配三分支波导结构，此结构包含三个高折射率微棱镜。
A novel wide-angle three-branch optical waveguide with equal power division is proposed, which contains three high-index microprisms.
此玉牒宗室记载了代善家族的分支衍续。玉牒装帧讲究，云龙图黄绫面，长45.5厘米，宽29.5厘米。
This "Jade" genealogy of the Daishan clan, 45.5 cm long and 29.5 cm wide, is finely bound and covered with yellow silk bearing patterns of clouds and dragons.
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