生产函数是凹性的，边际报酬递减。
摘要：抗凹性是衡量车身外覆盖件使用性能的重要指标之一。
Abstract: Dent resistance is an important parameter, which has influence on the using of body panel.
他有轻度呼吸窘迫，双侧腮腺肿大，腹胀，可凹性水肿，杵状指。
He had mild respiratory distress, bilateral parotid enlargement, a distended abdomen, pitting oedema and digital clubbing.
摘要本文利用次线性项在零点附近的凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解的对称性。
With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.
贾平凹、余华可以看作是中国新时期小说以一种比较的视域，向中国传统和西方现代小说观念寻找写作资源的两个代表性作家。
Jia Pingwa and Yuhua may be looked as two representative writers being after writing resources from Chinese traditions and western contemporary novel ideas using comparative viewpoint.
贾平凹作品中的神秘色彩和幽默艺术，增强了作品的可读性、象征性，使作品的主题思想更加博大精深。
The mysterious color and humorous art in Jia Pingwas works enhances the readability symbolic of his works and makes it more significant.
锥形套圈由于它截面形状的不规则性决定了辗扩过程金属变形的不均匀性，这是导致不规则宽展、拉凹的主要原因。
The taper ring's irregular section shape decide the unequal forming of the ring metal when rolling ring, which is the main cause of irregular wide spread and draw concave on the symmetry face of ring.
本文给出了无界域上大规模凹二次规划的一种下逼近算法，并证明了算法的收敛性。
In this paper, a lower approximating algorithm of large-scale concave quadratic programming in unbounded domain is constructed. The convergence of the algorithm is discussed.
目的观察凹入实验在测定大鼠松质骨生物力学特性的作用，探讨以大鼠椎体进行凹入实验的合理性和简便性。
Objective To investigate the rationality and simplicity of indentation testing of lumbar vertebrae of rats by observing the biomechanical properties of rat cancellous bones using indentation tests.
本文给出了无界域上大规模凹二次规划的一种下逼近算法，并证明了算法的收敛性。
In this paper, a lower approximating algorithm of large-scale concave quadratic programming in unbounded domain is constructed.
提出了一种新的解整数可分离凹规划问题的分支定界算法，并证明了其收敛性。
In this paper, a new branch and its bound algorithm for solving integer separable concave programming problems is proposed, and the convergence of the algorithm is proved.
目的讨论外伤性后颅凹血肿的诊断和治疗。
Objective to discuss the diagnostic and therapeutic principle of traumatic posterior skull fossa hematomas.
该算法同时适用于凸多边形和凹多边形，并具有较好的区分度和匹配准确性。
This algorithm can be used for both the convex and the concave contours.
采用加工中心加工凹模块，保证其精度和互换性。
With the processing of machining center, concave modular guarantees its precision and interchangeability.
油源对比表明，上二叠统优质烃源岩主要分布于达坂城次凹东北部，其生成的油气沿燕山、喜山期形成的断裂以及上二叠统孔、渗性较好的输导层向西南方向斜坡带的较高部位运移。
Oil and gas generated in the northeastmoved to the southwest, the higher part of the slope through fault and permeable carrier layer, and accumulated in the favorable place of strata and structure.
耐磨擦性是水性凹印油墨的一个重要性能，对包装印刷尤为重要。
Rub resistance was an important performance of water-based gravure ink, particularly important to package printing.
文章在对零件的工艺性进行认真分析的基础上，有针对性地设计了模具结构中的凸模和凹模，优化实现了矩形拉伸件的分离冲切过程。
After analysis of process of components, design raised mold and the concave mold in the structure of molds, optimize the pressing-cutting process for the rectangle stretched component.
泳透力是一个比较性的参数。 其定义是电泳涂料能使被涂装工件的凹深处或被隐密表面被涂上的程度。
Throwpower is a comparative function and is defined as the degree to which paint will coat recessed or hidden areas.
该声屏障充分利用了轨道床两侧架设通讯电缆的凹型空腔，并依据列车噪声分布进行了针对性设计。
The sound-barrier sufficiently uses the concave space of both sides of the railway which is used for communication cable, and designs based on distributed noise result of urban rail transit.
利用灯箱布的凸筋和凹区保证微穿孔不受压变形，保持其良好的吸声性；
The deformation of the micro-holes can be obviated by arranging ribs and concave regions on the lamp-box fabric so as to keep good sound absorption performance.
构成透视潜影的图案和基底图案统一设计，并通过雕刻凹印印刷方式一次性同时印刷而与载体附着在一起。
A pattern forming the perspective latent image and the base pattern are unified designed and printed simultaneously in one time to adhere with the carrier via the engraving gravure printing mode.
小说的叙事方式是传统的，而内容则体现了贾平凹先锋性的方面：放弃经验，演绎观念。
The narrative mode of this novel is traditional, but the contents reflected Jiapingwa's advanced trait: abandoning experience, deducing idea.
结果不同年龄组间除黄斑中心小凹、上、下方外环区、总黄斑体积外（P<0.05），其余部位差异均无显著性；
Results There were no statistically significant differences between age groups except for the foveola, superior outer ring, inferior outer ring and total macular volume (P<0.05);
结果不同年龄组间除黄斑中心小凹、上、下方外环区、总黄斑体积外（P<0.05），其余部位差异均无显著性；
Results There were no statistically significant differences between age groups except for the foveola, superior outer ring, inferior outer ring and total macular volume (P<0.05);
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