凹
- 形concave;hollow;sunken;dented
- 动cave in;dent;sink
凹
- 名low-lying area;depression
![凹](../cache/1335793.jpg)
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周围高,中间低,与“凸”相对:~凸不平。~透镜。~版印刷(印刷术之一,与“凸版印刷”相反)。
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同“洼”(用于地名):核桃~(在中国山西省)。
- [形]
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(比周围低) concave; hollow; sunken; dented:
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凹凸不平
full of bumps and holes; uneven;
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人的手掌是微凹的。
The palm of one's hand is slightly concave.
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- [动]
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(向内陷进去) cave in; dent; sink:
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路凹下去了。
The road caved in.
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汽车的发动机罩已凹了进去。
The car hood was dented in.
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他的眼睛[面颊]凹下去了。
His eyes [cheeks] have sunk in.
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- [名]
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(凹陷的地方, 用于地名) low-lying area; depression (used in place names):
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核桃凹
Hetaowa (in Shanxi Province)
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人的手掌是微凹的。
The palm of one 's hand is slightly concave .
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蹄锋利,呈凹形,富有弹性。
The cloven hooves are sharp edged , elastic and concave .
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书架正好放得进壁凹。
The bookcase fits neatly into the alcove .
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小路尽头的岩石上有一个凹洞。
There was a niche in the rock where the path ended .
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舷边甲板下面的一个凹处放了一个小小的洗脸盆。
Set into an alcove under the side deck is a tiny wash basin .
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大卡车从他们身旁轰隆隆开过,把路上坑凹里的脏水溅到了他们身上。
Lorries rumbled past them , splashing them with filthy water from the potholes in the road
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他的眼睛[面颊]凹下去了。
His eyes [ cheeks ] have sunk in .
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那种金属同酸接触后是否会起凹点?
Does that metal pit after contact with acid ?
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汽车的发动机罩已凹了进去。
The car hood was dented in .
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路凹下去了。
The road caved in .
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我们判定它是拟凹的。
We conclude that it is quasi-concave .
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床中间凹下去了。
The bed sags in the middle .
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车被严重撞凹。
The car was badly dented .
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这凹进去的地方有一张长沙发。
The alcove held a couch .
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早在17世纪,艾萨克.牛顿就开创性的利用这个光,让凹透镜产生了一个图像。
A concave mirror creates an image from this light using a design pioneered in the17th century , by Sir Isaac newton .
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凹型壁面对碰壁喷雾有聚集作用。
A curved-inwards wall has a convergent effect on wall spray .
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小溪流的回声在巨大而突出的凹壁中回荡
Tiny streams echo in enormous overhanging alcoves .
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这位上校样子挺神气,他的嘴巴、双颊和两眼都深深地凹进去,目光黯淡,象发了霉似的
The colonel was gorgeous , he had a cavernous mouth , cavernous cheeks , cavernous , sad , mildewed eyes .
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K空间中一类凹与凸算子的不动点
The fixed point of concave and convex operation in K space
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预应力组合凹模的CAD
CAD of a Combination Concave Model Tool with Prestressing Force
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V形件弯曲变形过程分析及弯曲凹模深度的计算
Analysis of forming process for V-shape bending and calculation of die depth
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V型7只眼:黄斑中心凹较陡;
V - type ( 7 eyes ) with steep foveal contour ;
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一致U0-凸算子与一致U0-凹算子的一个注记
A remark for the uniform U_0-convex operator and the U_0-concave operator
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MRI对于显示肿瘤颅内和颞凹蔓延,优于以上检查方法。
MRI was better than any other methods in displaying intracranial and temporal fossa extension .
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基于ANSYS分析的组合凹模优化设计
Optimal design of combination female die based on ANSYS
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128×128凹型GaAs微透镜阵列器件的制作研究
Research on Fabrication of 128 × 128 Element GaAs Concave Microlenses Array Device
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在平凹腔Nd:YAG激光器中Cr~(4+):YAG被动锁模的特性研究
Investigation on Characteristics of Cr 4 + ∶ YAG Passive Mode Locking in a Nd ∶ YAG Laser with a Plane concave Cavity
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Chiari畸形后颅凹形态学的临床研究
The clinical study on the morphology of posterior cranial fossa in Chiari malformation
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介绍了24例后颅凹肿瘤伴有脑积水患者采用坐位手术时,于术前2~3d行脑室外引流的作用与方法。
The authors introduced the method and effects of ventricle drainage which was carried out 2-3 days before tumor removal in sitting position for 24 cases of posterior fossa tumor with hydrocephalus .
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GM平均胸径还与坡位正相关;GM数量沿N→S的坡向梯度减少,而随坡度增大及坡形由凹转凸而增加;
The number of GM decreased as the slope exposure turned from N to S , as slope increased , and as slope shape turned from convex to concave .