concave line
英 [kɒnˈkeɪv laɪn]
美 [kɑːnˈkeɪv laɪn]
网络 阴角线
双语例句
- A concave surface, structure, or line. cholesteric planer texture
凹面、凹形结构、或凹线胆甾型液晶的平面结构 - This paper analyzes the cause of producing small concave around weld seam according to practice of welding long rail in Guangzhou Metro Line 2, and presents the preventable measure to overcome.
本文结合广州地铁二号线接触焊焊接长钢轨实践，分析了焊缝热影响区产生轨面小凹痕的原因，提出克服此类缺陷的预防措施，可供类似工程借鉴。 - Expressions for reflected waves from the concave surface and the graphic method for determination of caustic are given in the case of line source excitation.
文中还给出线源情形下各反射波的表示式和得到一次反射声焦散面的图解法。 - At last the analysis about equivalent strength of edge crack director indicates that the equivalent strength is a concave line when α ranged from zero to one.
最后结合实际拱坝研究了边缘型诱导缝对断面强度的削弱作用，指出其等效强度随削弱度的变化是一凹曲线。 - Detailed calculations are done for several typical examples, in which the intersection line between the concave surface and the motion plane of the particle are straight line parabola, and ellipse, respectively.
并对质点的运动平面与凹曲面的交线分别为直线、抛物线和椭圆等情况进行了具体的计算。 - The slope shapes of the most of the drainage basins are concave, but the whole shape of the transitional region of Qinling mountains and Huang-Huai Plain is roughly straight line.
各流域坡面形状多为下凹形为主，但山地整体的坡面形状近于直线形。 - With the rapid development of array detector technology, the application fields of concave varied line space gratings are expanding quickly.
随着阵列探测器技术的快速发展和日益成熟，凹面变线距光栅的应用领域迅速拓展并逐渐显示出其独特的优势。 - A visible range flat field spectrometer with a concave varied line space grating is developed to study high accuracy wavelength calibration method.
用一块工作在可见光波段的凹面变线距光栅，搭建了一台小型平场光谱仪，用于专门研究高精度波长标定方法。 - According to characteristic parameter and shape, relative permeability curves had been divided into six types: water-phase top concave, water-phase straight line, water-phase below concave, water-phase top convex, water-phase chair and humpback.
根据相对渗透率曲线特征参数和形态，将常见相对渗透率曲线分为六种类型&水相上凹型、水相直线型、水相下凹型、水相上凸型、水相靠椅型和驼背型。