查询词典 sparse matrix

The solution of a sparse and dense symmetric system of linear equations is essential to finite element simulation in geotechnical engineering.

在岩土工程中进行有限元分析时需要求解大型线性方程组，常用的直接法会占用较大的内存，耗费计算时间较长，计算节点规模有限。

Guo Bing, or sparse hair loss, fruiting section of the tendril Kujiao 1 / 2 ripe watermelon for more signs.

果柄上茸毛稀疏或脱落，坐果节位的卷须枯焦1/2以上为西瓜成熟标志。

Second, compared with direct tensor product in multi-dimensional space, which suffers from the exponential increase of the number of sampling points with the number of variables, the Sparse Grid technique decreases the number of collocation points dramatically while the accuracy is guaranteed, and further reduces the computational complexity.

其次，为了避免通常用于多维空间的直接张量积随机配置法所带来的采点数随空间维度指数增长的缺点，采用稀疏网格采点技术，在保证建模精度的同时大幅度减少了配置点数目，从而进一步降低了随机配置法的计算复杂度。

Not many people came to see the game; the sparse crowd was scattered thinly through the stadium.

去看比赛的人很少，只有稀疏的人群分散的座在体育管里。

Not many people came to see the game; the sparse crowd was scattered thinly through the stadium

看比赛的人不多，稀稀拉拉地分散在体育场的各个角落。

Although ,this approach, inherits the traditional Chinese painting techniques: hook, wrinkle, dyeing, thick, pale, dry, wet, yin, yang, forward, back, true, real, sparse, dense and remain, etc. Ultimately ,the results are very different ------the grass on the canvas is not only a simple fragrant thoroughwort which just has three or five leaves, but also a shape of the abstract and real, a cluster of weed which interweave death and life, fresh and new, warm and brilliant, unrestrained and tenderness------ grasses, weeds, absolute weeds.

这种手法，虽然传承了传统国画的技法：钩、皴、点、染，浓、淡、干、湿，阴、阳、向、背、虚、实、疏、密和留白等表现手法，结果却大相径庭，最终在画布或宣纸上形成的，不是简单的三五根摆拍的兰草，而是抽象又真实的形，一蓬纠缠着干枯与死亡，鲜嫩与新生的，热情与烂漫，奔放与温柔的草，野草，绝对的野草。

Peduncles with sparse arachnoid tomentum when young, then gradually falling off.

幼时的花序梗具具稀疏蛛丝状毛，然后逐渐从上落下。

Leaves abaxially glabrous, or pilose, or with sparse arachnoid tomentum

叶背面无毛，或具柔毛或者具具稀疏蛛丝状毛 16

Network community structure is one of the most fundamental and important topological properties of complex networks, within which the links between nodes are very dense, but between which they are quite sparse.

网络簇结构是复杂网络最普遍和最重要的拓扑属性之一，具有同簇节点相互连接密集、异簇节点相互连接稀疏的特点。

Based on trigram models, this paper proposes a three-step method of "word—similar word—part of speech" by incorporating the similar words and solves the problem of sparse data to a large extent.

本文利用三元模型，通过引入相似词，采取"词形-相似词-词性"三步回退的策略，比较好地缓解了数据稀疏问题。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。