英语释义

• curving inward

片语

concave domain凹型区域

concave surface凹面，内弧面

concave transition壁面凹过渡

concave frame凹板骨架

concave bank凹河岸；沖刷河岸

concave cam凹形凸轮

concave mirror凹透镜

geosynclinal concave槽凹

concave share凹形犁铧

concave refractor上凹折射层

concave grating凹面光栅

concave slide凹槽载片

concave lens[光] 凹透镜；近视镜片

英汉例句

• by extracting water from the detector「s chamber, the detector surface becomes a concave hemisphere.

  通过从检测器的舱室获取水分，检测器表面成为凹半球。

• belt cupping, also called dishing, is characterized by an unintentional transversal concave or convex belt dishing over the whole belt width.

  腰带拔罐，也被称为凹陷，特点是由无意的横向凹或凸的皮带在整个皮带宽度抛出。

• there are natural cotton crystal, mineral, concave surface, the natural normal function of any minor damage, is not a quality problem.

  天然水晶内有棉絮、矿质、冰裂、表面凹点、天然轻微破损都属正常现象，不属品质问题。

• he had a concave chest.

  他的前胸凹了进去。

• it has an interesting concave sole to go with the high-toe design of the other putters in the family.

  它有一个有趣的凹唯一去与高家庭中的其他推桿脚趾的设计。

• was dark red apples, go on top of a concave hole.

  莲雾呈深红色的，顶上有一个凹下去的小孔。

• at the core of wright」s system was a standardized 4x12x24-inch concrete or glass block with concave edges.

  wright系统的核是一个标準化的4x12x24英寸的带凹面的混凝土或玻璃砖块。

• the name contains the shape: a hoh is a ridge that rises to a point and has a concave end.

  这种形状其实已经包含在小镇的名字当中：hoh指的就是这样形状的山脊——一边陡，一边缓，缓那边在最低处成凹状。

• since this is a concave function, it「s not just the expected value.

  由于这是一个凹函数，并不只是期望值。

• concave integer programming is an important class of nonlinear integer programming problems with applications in optimization models involving economies of scale.

  凹整数规划是一类重要的非线性整数规划问题，也是在经济和管理中有着广泛应用的最优化问题。

• it」s a 15-minute travellator ride above a huge, immersive, concave screen. you feel you're flying over endless desertscapes.

  那是一段15分钟的影片，巨大的银幕令人有如身历其境，仿佛在一望无际的沙漠中飞行。

• this blade has a gentle, sloping convex curve to the point versus the concave curve of the clip blade.

  相对于回形刀刃的凹曲线而言，这种刀刃具有一条延伸到刀尖的、温和的凸斜率曲线。

• 「a concave roof like this will help make even the smallest quantities of rain flow off the roof and eventually coalesce into bigger drops just right for harvesting before they evaporate, 」 they added.

  他们接着说：「像这将的凹形屋顶即使是在雨量非常小的情况下也能够在雨水蒸发之前使雨水从屋顶流下来，最终凝聚成较大的水流收集起来」。

• the inferior turbinate on the concave side had a significantly greater volume, including the thickness of medial mucosa and the thickness and projection angle of conchal bone.

  将中部内侧粘膜厚度、鼻甲骨厚度和投影角度等因素纳入考虑范围后不难得出，凹侧的下鼻甲其体积要大得多。

• after achieving the desired shape, i cast my model in plaster to create a concave mould.

  在获得我想要的形状之后，我把我的模型上了石膏，从而创造一个凹面的模具。

• when water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.

  当水从底盘下方的空间中被抽走时，所产生的负压使这些可伸缩的传感器向下拉，形成凹形。

• cool earth’s insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror.

  coolearth的想法是如果你只镀半个气球，另一半是透明的，镀层内表面的那半起凹透镜的作用。

• when the concave upper nut is tightened, the effect produced is exactly the same as that produced by a hammer driving in a wedge.

  当上螺母的凹面与之锁紧时，其效果与用一个锤子敲进一楔子的效果完全相同。

• it arises on both sides from the concave surface of the kidney known as the hilum. it is between 20 and 30cm long and can be affected by a number of disorders.

  输尿管起始于两个肾脏的凹面（也就是肾门），长20到30厘米，可能会受到一些病癥的影响。

• the graph of a concave function is always below its tangent .

  一个凹函数的图象总在它的切线的下方。

• because there is no abrasion between the concave and convex, the nut is reusable.

  因为凹面与凸面没有磨损，螺母可以重复使用。

• this crescent-shaped ridge of sand dune in oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.

  阿曼一座新月形的沙丘脊由强信风吹成，在迎风的方向（图左侧）形成一面平缓的凸破，在背风面形成凹坡。

相似词

sunken沉没（sink的过去分词）；下沉

depressed使沮丧；使萧条（depress的过去式和过去分词形式）；压低

hollowad 彻底地；无用地

相反词

convex凸面，凸出部分