垂直: perpendicular; vertical; squ ...中: hit; fit exactly分: component门: entrance; exit; door; gate中分门: center opening door中分四 扇门,双折中分门: four-panel center opening door垂直中心线: vertical center line垂直中线错觉: vertical center line illusion垂直中心调整: vertical centering; vertical centring垂直中心调准: vertical centering alignment垂直中心控制: vertical-centering control垂直中心位置调整: vertical centering control直中: attack straight into; direct attack有对重垂直中心滑动门: vertically sliding bi-parting counterweight door中分式垂直滑动门: center opening vertical sliding door中分: chubun; midsplit; parted in the middle直中三阴,直中: direct invasion of triple yin直分门: vertically bi-parting door张直中: zhang zhizhong直中柱: eustele差分门槛: difference threshold分门别类: be arranged [classified] into sorts; arrange ... under categories; be divided into classes and divisions; classify according to subjects [categories]; divide into different classes; sort out into categories双扇直分门: two panel vertically bi-parting door直中缝漏齿: vertical middle line perforation dropped直中肯綮: right into the middle of a subject