拼音:zhèng qí 注音:ㄓㄥˋ ㄑㄧˊ [引证解释] 谓使衣冠保持整齐。《礼记·聘义》:“日莫人倦,齐庄正齐而不敢解惰。” 孔颖达 疏:“日暮人倦,齐庄正齐者,谓日暮晚,人斯懈倦,犹齐庄而自整齐也。”
对于一般的非凸函数,其方向导数不具备任何凸性,可以利用一般正齐次函数的回收函数来给出它的一个上凸近似。
We research on describing preinvexity of functions in this paper by means of the density and weakly near convexity in the set.
到他们结束时,船员们正站在齐脚踝深的鱼内脏堆里。
By the time they finish, the crewmen are standing ankle-deep in fish guts.
我记得我看见一个人——大概齐就是杰克——砍倒了梨树,正往上面浇着煤油。
I remember a man, probably Jack, cutting down the pear tree and soaking it with kerosene.
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