查询词典 principal

Feature of principal lines spatial distribution: detect the principal lines through edge detecting technology, and then divide the image of palmprint into blocks with same dimension, compute the mean and variance as feature; Feature of palmprint direction: divide the image into sub-images; compute the max angle of projection and coordinate of each sub-image, which stand for the direction and location of the line on the palm; Feature of moment invariants: compute the moment invariants of each sub-image and the whole image as feature.

掌纹主线空间分布特征：利用边缘检测技术检测出掌纹的主线，将图像分割成相同大小互不重叠的子图，提取每一个子图的均值和方差作为特征；掌纹线方向特征：将图像分成不重叠的子图，利用Radon变换求出每一个子图的最大投影角度和坐标，也就是子图内掌纹线的方向和位置，构造特征向量；掌纹不变矩特征：提取图像整体和分割后的子图的不变矩作为特征。

The apparent horizon is the factor that Yin Chaoyu emphasized a lot in many of his paintings, which has even turned certain "principal", but except emphasizing the depth of field like the past, this "principal" that makes people associate the classicality of external images has more structural meaning of pictures.

"地平线"，是尹朝宇在很多画中非常强调的部分，甚至成为了他创作中的某种"原则"，但是这一在表象上让人联想到古典的"地平线"，除了像过去那样以此来强调景深之外，更多的则是画面的结构性的意义。

An audit team leader may entrust a qualified auditor to act as the principal auditor, who shall perform his duties within the scope of the audit team leaders authorization, provided that the audit team leader shall bear liabilities for the results of the principal auditors performance of duties.

审计组组长可以委托有资格的审计人员担任主审，履行审计组组长授权范围内的职责，但审计组组长应当对主审履行职责的结果承担责任。

One usually democratic principal says,"My responsibility as a principal really is to the children and if I see areas that are ineffective, I've got to say that we're not effective here and that we have got to change"(Blasé and colleagues).

一位较民主的校长说："我作为一名校长的责任在于对小孩子负责，如果我看到了没效用的盲区，我会承认此处的作用仍没效，因此，此处需要改变。"

They had not been long in that Posture, but that the Boatswain, who was the principal Ringleader of the Mutiny, and had now shewn himself the most dejected and dispirited of all the rest, came walking towards them with two more of their Crew; the Captain was so eager, as having this principal Rogue so much in his Power, that he could hardly have Patience to let him come so near, as to be sure of him; for they only heard his Tongue before: But when they came nearer, the Captain and Friday starting up on their Feet, let fly at them.

星期五他们回来好几小时后，那批人才回到了他们小船停泊的地方。我们老远就能听到走在头里的几个向掉在后面的几个大声呼唤着，要他们快点跟上。又听到那后面的几个人一面答应着，一面叫苦不迭，说他们又累又脚痛，实在走不快了。这对于我们确实是一个好消息。

In this paper, we expand the eigenvalue of Poisson equation using nonconforrn-ing Q1rot element. The principal term of error we get is not negative. In general, the approximate eigenvalue is the upper bound, but the approximate eigenvalue may be the lower bound when the principal term is zero.

本论文对Poisson方程的特征值采用方形旋转双线性非协调元Q_1~(rot元进行展开，得出的误差主项大于或等于零，因此在一般情况下近似特征值是上界，但当主项等于零时近似特征值可能是下界。

The relationship between the structure and the performance of polycarboxylate superplasticizer was analyzed. The respective function of the structure unit of principal and branched chain was discussed. And the progress of synthesis and molecular structure design of polycarboxylate superplasticizer was reviewed according to the difference in the structure unit of principal chain.

分析了聚羧酸系高效减水剂的结构与性能之间的关系，探讨了减水剂分子的主链结构单元与支链结构单元的功能与作用，并分类介绍了聚羧酸系的分子结构设计及其合成的研究与进展。

Cases of all were foreign bodies in nasal cavity, 6 cases of foreign bodies in right principal bronchia were and 2 cases of left principal bronchia.

16层螺旋CT检查能对危害性呼吸道异物及周围损害状况作出明确诊断，具有十分重要的应用价值。

In a detailed historical narrative, we explain the process bringing China from the multi-principal governing model to the single-principal governing model in the Qin and Han dynasties. The bureaucratization of traders and the extinction of paladins were the main causes for this transformation.

在此基础上，通过对秦汉之际多委托人治理结构向单一委托人治理结构转变的各项特征事实的分析和模型推演，本文厘清了中国何以走上并锁定在以安全为导向的单一委托人治理形态的初始条件，认为商人的官僚化将社会资源控制力从非主流治理集团牢牢吸纳并控制在主流治理者集团之内，此举消除了各类游侠生存发展的经济基础，对游侠的打击削弱了非主流治理集团的暴力依凭，汉朝以降各大一统时代均不能形成长期独立于政权之外的有规模暴力，是新的治理竞争者不能长期存在从而打破单一委托人治理形态的重要原因。

The principal animal oils are cod-liver oil and oil found in the yolk of egg; principal vegetable oils are olive, cottonseed, poppy, and cocoanut oils, peanut oil, and oils in various nuts.

主要动物油脂是：鱼肝油、蛋黄油。主要植物油脂有：橄榄油、棉籽油罂粟油、可可油、花生油及各种干果油。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。