查询词典 sparse matrix

By the method of SDS-PAGE, the main proteins of nuclear, matrix in salivary gland were proteins of 67kd, 66kd, 43kd, 38kd and 35kd Comparing the NHP composition of the nuclear matrix to that of the polytene chromosome, it can be seen that the nuclear matrix and the polytene chromosome shared many common NHP components, such as 43kd, 38kd and 35kd proteins.

通过SDS-聚丙烯酰胺凝胶电泳看到，果蝇唾腺细胞核基质的主要蛋白成份为67kd、66kd、43kd、38kd及35kd等多肽。与多线染色体骨架的蛋白成份比较，发现它们共同具有43kd、38kd及35kd等蛋白质。

Based on the low voltage transfer ratio of conventional matrix converter, a new matrix converter referred to as a Boost matrix converter was proposed.

针对传统矩阵变换器存在电压传输比低的问题，提出一种新型的矩阵变换器电路拓扑结构。

Because of the viscosity of fluid and non-existence of velocity potential, the symmetry of mass matrix, stiffness matrix and the coefficient matrix of the first order of system no longer exists, so the modal analysis of system becomes very complicated.

由于流体粘性的影响，流场有旋，没有速度势，所以系统质量阵、刚度阵以及一阶项的系数矩阵的对称性被破坏，从而使得系统的模态分析变得很复杂。

It is concluded that when a small solid angles range adjacent to the main direction in the far field is considered, the parallel beams combining of compact antenna arrays has its priority if the phases can be controlled, and the parallel beams combining of sparse antenna arrays has its priority if the phases can not be controlled.

分析表明：当关注的是远区主方向邻近的小立体角区域时，若能做到控相激励，宜采用紧凑阵的平行波束合成；若不能控相，宜采用稀疏阵的平行波束合成。

3D reconstruction is one of the most challenging problems in computer vision. This project uses CAD model to increase the accuracy,robustness and speed of 3D reconstruction and five different works are conducted: 1 research on space curve 3D reconstruction method based on high curvature point nad turning point; 2 free-form curve 3D reconstruction based on B-spline and BURBS; 3 Active surface affine reconstruction based on single frame; 4 Matching and reconstruction of 3D sparse points; Data fitting method based on the iteration of nearest point.

三维重建是计算机视觉中公认的难题，本项目使用CAD模型来提高三维重建的精度、稳健性和速度的思路，围绕着空间曲线和曲面的三维重建和匹配开展了以下五个方面的研究：1）基于高曲率点和拐点分割的空间曲线三维重建方法研究；2）基于B样条和NURBS表示的空间自由曲线三维重建方法研究；3）基于单帧图像的有源曲面仿射重建；4）三维离散数据的匹配与重建；5）基于迭代最近点的数据拟合方法。

Based on these recognitions, by the analysis of production method, development formation division, development well grid and well spacing, single well daily rate and recovery efficiency prediction, etc, a development plan was brought to effect: it is all around affusion and made the oil-well of east fault sparse, and predicted the recovery efficiency of 55%, provide a sound foundation for the future development in the area.

在此认识的基础上，通过开采方式、开发层系划分、开发井网和井距、单井日产能力、采收率预测等研究，确立了边外注水+断层东油井抽稀，断层西少部署一排油井的开发方案，利用数值模拟方法，预测采收率为55%，完成油藏开发方案的设计，为该区下一步开发提供了有力依据。

Particularly it was now late autumn, saying:" In the dark green mountain algidity is deep, In the highly dense woods frost leaf is sparse."

尤其是到了晚秋，正当是：苍山寒气深，高林霜叶稀。

The dialogue is not only sparse, but amusingly formal and awkward.

对话不仅是稀疏，但可笑的正式和尴尬。

By histological comparison, the structure of the autotomized tissue was different from other mantle tissue. Sinus and blood spaces were found in the autotomized tissue. Structural changes before and after autotomy in the autotomized tissue were from dense to sparse creases in the epidermis and dense to loose in the connective tissue.

组织学观察发现：自割组织结构与一般外套膜不同，具有血窦和较多的血腔；自割前之自割组织腹面表皮有很多褶皱，背面表皮则较平坦，内部组织紧密；自割后之自割组织膨大，背、腹面表皮形态改变，腹面表皮褶皱减少，内部组织蓬松。

Party which as yet was ... an unorganized mob-thick in one place, sparse in another?Walter Besant.

"一个迄今还是…时而乱哄哄地没有组织，时而稀稀落落的党派"。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我