垂直 chuízhí

chuízhí adjective perpendicular; vertical
Domain: Modern Chinese 现代汉语
Notes: For example, 大气温度垂直分布 'vertical distribution of temperature in the atmosphere.' (XHN 2015-11-28)

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母子垂直感染垂直起落飞机垂直线垂直和短距起落飞机垂直轴垂直尾翼