查询词典 least squares

"When a town celebrates the busk," says he, having previously provided themselves with new clothes, new pots, pans, and other household utensils and furniture, they collect all their worn out clothes and other despicable things, sweep and cleanse their houses, squares, and the whole town of their filth, which with all the remaining grain and other old provisions they cast together into one common heap, and consume it with fire.

当一个部落举行庆祝圣礼的时候，"他说，"他们先给自己预备了新衣服，新坛新罐，新盘子，新器具和新家具，然后集中了所有的穿破了的衣服和别的可以抛弃的旧东西，打扫了他们的房子，广场和全部落，把垃圾连带存下来的坏谷物和别的陈旧粮食，一起倒在一个公共的堆上，用火烧掉了它。

He describes in an early novel the miraculous way in which a flat, abstract contrivance can take on vitality and light: Little by little, the pieces and squares began to come to life and exchange impressions. The crude might of the queen was transformed into refined power, restrained and directed by a system of sparkling levers; the pawns grew cleverer; the knights stepped forth with a Spanish caracole ...

他描述早期的小说用的是神奇方式的单元，抽象的创造的方式具有活力与轻盈：逐渐地从片断和广场开始，到生活和交流印象，一个有自然力量的女王可以转变完善权力制度，由闪耀的杠杆系统克制并且进行指挥，典当行业的增长使人更加聪明，骑士又加强了与西班牙马术中的回旋技术。

Applying the De Caen"s inequality of sum of the squares of the degree and Cauchy"s inequality, we obtain a strict lower bound and a strict upper bound of the largest Laplace eigenvalues only in terms of vertex number of a unicycle graph. Applying the Laplace matrix theorem of trees, we obtain an upper bound of the second smallest Laplace eigenvalues of a unicycle. Extremal graph whose second smallest Laplace eigenvalues reach the obtained upper bound is determined. We also obtain an upper bound of the second largest Laplace eigenvalues in terms of vertex number of the largest connected branch of unicycle graph, and obtain a theoretical method to calculate the second largest Laplace eigenvalues of unicycle graph. We obtain an upper bound of any Laplace eigenvalues in terms of vertex number of a unicycle graph. We also obtain the distribution of Laplace eigenvalues in the inter [0,n] in terms of the matching number.

本文得到了以下几个方面的结果： 1、利用图度平方和的De Caen不等式和Cauchy不等式给出单圈图的最大Laplace特征值仅依赖于顶点数的严格的上下界；利用树的Laplace理论给出了单圈图次小Laplace特征值的一个上界，并刻画了达到该上界的极图；利用子图的连通分支的顶点个数给出了单圈图次大Laplace特征值的一个上界，并给出了单圈图次大Laplace特征值一个理论上的一个求法；利用单圈图的阶数给出了其一般Laplace特征值的一个上界；利用单圈图的匹配数给出其Laplace矩阵谱在区间[0，n]上的分布情况。

The lofty tower of its City Hall overlooked the whole panorama of the streets and avenues, which cut each other at right angles, and in the midst of which appeared pleasant, verdant squares, while beyond appeared the Chinese quarter, seemingly imported from the celestial Empire in a toy-box.

这些街道都象刀切似的整整齐齐，直角转弯。马路中间点缀着满眼翠绿的街心公园。再往前去就是华人区，它真象是装在玩具盒里运来的一块中华帝国的土地。

The two colors of the checkerboard squares.

棋盘矩形的两种颜色。

That can move any number of unoccupied squares in a direction parallel to the sides of the chessboard.

能在与棋盘平行的方向的空位上移动任何步数的棋子。

A pattern of small squares, as on a chessboard.

如国际象棋中的一小格

The chessman that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard.

能在与棋盘平行的方向的空位上移动任何步数的棋子。

A chessman in the shape of a horse's head; can move two squares horizontally and one vertically.

马头形的国际象棋棋子；能水平走两个方格垂直走一个方格。

In the centre of both New York and Washington there are very large Christmas trees in the main squares.

在该中心的两个新的纽约和华盛顿，有非常大的圣诞树，在主要的广场。

And he is one of the few scouts who are occasionally sent out to have dealings with other peoples.

而他也是少数的几位偶尔会被派出去和外界人打交道的巡逻人员之一。

The sons of Hebron: Korah, Tappuah, Rekem and Shema.

希伯仑的儿子是可拉，他普亚，利肯，示玛。