汉语汉字,拼音:āo(wā在字典中清除)
凹版印刷 [印刷] intaglio printing ; intaglio ; recess printing ; diepdruk
凹凸法 Aotufa Painting Technique
凹头苋 Amaranthus blitum ; Amaranthus lividus ; Amaranthus ascendens ; lividus
后凹尾龙 Opisthocoelicaudia
凹槽 [建] notch ; [建] recess ; [建] flute
凹唇姜属 Boesenbergia
凹陷 riding ; sinking ; sunken
凹痕 dent ; [皮肤] pitting ; bugholes
凹甲陆龟 impressed tortoise ; Manouria impressa ; Manouria impressa Impressed tortoise
But the requirement of this method is very strong: the function must be convex or concave.
而Jensen不等式要求的条件很苛刻:必须是凸(凹)函数。
参考来源 - 控制不等式在初等数学中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
他的胃是凹的。
由于这是一个凹函数,它不仅仅是期望值。
Since this is a concave function, it's not just the expected value.
人的手掌是微凹的。
Since this is a concave function, it's not just the expected value.
由于这是一条凹曲线,它不只是期待值
We all know that in 2006 the car had a lot of scratches and it got bended in one side and pretty sorry looking in terms of the scrapes and the paint job and the rust.
我们都知道,2006年的车有很多刮痕,一边车身还凹了,很旧的样子,到处是刮痕,油漆脱落,生锈。
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