查询词典 linear algebra

Seeds dark brown, 1-1.5 mm, carinate; testa linear-reticulate to linear-foveolate.

种子暗褐色，1-1.5毫米，具龙骨状隆起；种皮线网状的到线蜂窝状。

Leaves basal and cauline, alternate, sessile, linear to linear-lanceolate.

叶基生和茎生，互生，无梗，线形的到线状披针形。

Seed elliptic, obovoid-elliptic, or obtriangular, abaxial surface with a linear to orbicular chalazal knot, adaxial surface with a linear raphe; cross-section of endosperm T- or M-shaped.

种子椭圆形，倒卵球形椭圆形，或倒三角形，背面具线形到圆形种脐，正面具线形种脊；胚乳T或M形的横截面。

A laser 3D body scanning system based on light stripe method was presented,which can realize body contour automatic scanning from top to bottom and forming a circinal stripe on body surface with four semiconductor laser linear light sources.Light stripe image is received from eight image CCD cameras located on the two sides of linear light sources.

研制了光带法激光三维人体扫描系统，以4个半导体激光线光源在人体表面形成一个环带，通过位于线光源两侧的8个面阵CCD摄像头接收光带像，在四轴伺服同步扫描系统和计算机网络采集系统的支持下，自上而下地实现了人体外形轮廓的自动扫描。

Bracts linear to linear-lanceolate, 8--20 × as long as wide, apex acuminate or cirrose.

苞片线形到线状披针形， 8 - 20 *倍于宽，先端渐尖或有卷须。

Seeds linear, elongated, not beaked, apex comose; endosperm copious; cotyledons linear, flat, radicle superior.

结子线形，拉长，不发，先端；胚乳丰富线形，平的子叶，上位的胚根。

Based on the computer vision method, we have proposed use of a nonlinear rotational observer and a linear translational observer to estimate the relative motion rate; To ensure the completement of the spacecraft docking task, we have also proposed a new nonlinear control csheme for attitude control and a linear control scheme for orbit control.

针对具体的测量手段，提出了一种非线性观测器来重构出相对姿态变化；为了保证对接任务的完成，提出了一种新的姿态控制的非线性控制方案及轨道控制的线性控制方案，在理论上分析了其稳定性。

In the third chapter, we present a theoretical description and numerical simulation for the effective linear and nonlinear optical properties of compositionally graded films consisting of nonlinear metal particles and linear dielectric particles.

对比理论和模拟结果，两者在直流情况下吻合的相当好，而在交流情况下，两者也能很好的定性符合的，考虑差异主要来源于采用了退耦近似和局域电场取模近似的缘故。

Two major linear random number generators, the linear congruential generator and the multiple recursive generator, have been widely studied and used for many decades. Nowadays, as the price decreasing of computer processors, parallelization of the generators is being concerned for, at least, the computational efficiency purpose.

线性同余法（linear congruential generator，LCG）与k阶乘余法（multiple recursive generator，MRG）至今仍为乱数产生器常使用的两大线性方法；而近日，由於电脑处理器成本下降，平行化计算因而被广泛研究与使用，以改善因分析与模拟资料量与日俱增，电脑运算效率降低之问题。

In the research of techniques in curved surface reconstruction and feature extraction, the modeling of NURBS interplation curved surface based on rectangular is focused, in which centripetal parameter is applied to construct node vector, the application of interplation method guarantees the accuracy of curved surface construction, bicubic NURBS curved surface is taken as an example to demonstrate the process of curved surface modeling, and the effectiveness of NURBS is approved in application; Meanwhile, the application of feature techniques in reverse engineering is also diSCUSSed, the recognition and extraction method of feature curved surface are investigated, the relationship between feature recognition and the curvature of curved surface is discussed, with the application of linear and non-linear least squares procedure, data fitting of conicoid in ball surface, cylinder surface and cone surface is

以上述的研究工作为基础，根据企业的实际需求选定轻客和重卡作为研究对象完成了基于反求工程的车身改型设计和优化的工程实践，通过工程实践对反求工程各关键支撑技术进行了验证，所开发的新车型也获得了良好的市场反应。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。