查询词典 sparse

In this case, when A is sparse and well-conditioned, with largest dimension n, the best classical algorithms can find x and estimate x^\dag M x in O time.

经典算法为了解决这个问题，作出了诸多努力，但是现在最好的算法也只能达到O的复杂度。

In garden, the weed is sparse everywhere. It is not well-marked and doesn't impede the growth of vegetable, flower, and fruit tree, so the gardener doesn't weed with hoe.

园子里的草稀稀疏疏地生在各处，它们不是那麼显眼，也不妨碍果蔬、花木的生长，所以园主没有动锄头清理它们。

This paper sets forth non zero element dynamic memory trigonometric decomposition method of large scale sparse positive definite normal equation, which is regular, simple and intuitive, and therefore it is ease to realize in the computer.

本文针对具有正定性质的大型稀疏法方程，提出了大型稀疏正定法方程的非零动态存储三角分解法，运用复式链表来动态存储稀疏矩阵。

Sparse matrix converter; matrix converter; zero current; waveforms

论文导师朱建林，论文学位硕士，论文专业电力电子与电力传动

This paper presents basic theory of Sparse Matrix Converter, controlling method and zero current commutation; Lastly, this paper provide the simulink waveforms based on SIMULINK.

本文介绍了稀疏矩阵变换器的基本原理、控制策略、零电流变换方法，同时给出了基于SIMULINK 的仿真波形。

The longitudinal fibre coarsefibred, sparse, 40-50 strips, which located between aboral ciliary wreath and polykinety and the fibers which at the bottom of the cell were connected with the longitudinal fibers, peristomial disc protruded up obviously and the peristomial disc fiber was reticular.

纵长纤维粗壮而稀疏，位于反口纤毛环和复毛基列之间，40~50条；底部有纤维和纵长纤维相连续，口围盘明显向上突起，口围盘纤维网状。

Calyx lobes stellate spreading in fruit, elongated to at least 7-8 mm; leaves light green or green, with sparse spreading hairs on large white tubercles; main marginal glochids with large anchorlike tip

萼裂片星状的在果期开展，拉长到至少7-8毫米；在大的白色的小瘤上的叶淡绿或绿色，具稀的平展的毛；主要边缘的钩毛具大的anchorlike端部 8 Lappula intermedia 蒙古鹤虱

Culms to 1.8 m; culm sheaths leathery, with sparse, appressed setae; branchlets with 4–9 blades

秆到1.8米；似皮革的竿箨，有稀少，贴伏刚毛；有4-9 叶片的小枝 55 Y。

In the vertebrobasilar system, however, breakthrough of autoregulation occurs because of sparse sympathetic innervation.

但在椎基底动脉系统，由于交感神经分布稀疏，血压过高超过血管自身调节的极限时，常导致枕叶病灶的出现。

Bandelet lead to optimal sparse representations for geometrically regular image s,and have great potential in imge compression.

Bandelet基函数可以实现几何正则图像的最佳稀疏表示，在图像压缩方面有很大潜力。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。