查询词典 Pole

By using generalized inverse of matrix,the sufficient condition of "pole assignment theorem"is proved;and the general expression containing arbitrary parameter is obtained for the feedback of gain matrix.

该方法利用矩阵广义逆理论，证明极点配置定理的充分性条件，并得到反馈增益矩阵的一个含有任意参数的一般表达式。

Byproperly choosing arbitrary parameter,not only the pole assignment of close-loop system can be done arbilrarily but also its other performance demands can be satisfied.obtained.

通过对任意参数的适当选择，不但能使闭环系统的极点任意配置，还可满足闭环系统的其他性能要求。

The inpocketed vegetal pole cells develop into a sheet of cells which grows upward and eventually encloses a cavity, the archenteron

内褶的植物极细胞生成一片向上生长的细胞，并最后围成一个腔，即原肠。

I watched many films about nature like Home, The story in the arctic pole and The story about a little bear.

我看了很多电影像家一样的性质有关，北极极点的故事和有关故事有点紧。

The Allspark was lost in Earth.When Megatron went to find it he unlucky froze in the arctic pole.

火种源后来遗失在地球上，前去寻找的威震天不慎被冻入北极冰层。

The expedition encountered many challenges during their exploration to the arctic pole.

在北极探险中，探险队遭遇到了很多挑战。

Normally, ice builds in Arctic waters around the North Pole each winter and shrinks during the summer.

恩格斯回答说，出了从《共产党宣言》中摘出下面一段话未，在野找不出合适的了，这就是："代替那个在这的阶级和阶级对立的资产阶级旧社会的，将是这样一个联合体，在那里，每个人的自由发展是一切人的自由发展的条件。"

By comparison with the Arctic, where the North Pole could be swirling in ice-free seas in summer by 2040, the southern polar region seems a bit more stable—but that is no reason to be complacent, says Ted Scambos of the University of Colorado.

那可能还是不错的，因为如果南极大陆所锁住的水如果都流入海洋的话，全球海平面就会上升60米（185英尺），那么纽约联合国总部的三分之一都会淹没在水中。

As to the problem of the time needed for an airplane to start from Beijing,fly over arctic pole,and reach Detroit,this article discusses how much time can be saved in the models that established in the article in comparison with the original flight route.

本文对"飞机从北京出发、飞越北极直达底特律的所需时间，可比原航线节省多少时间"的问题进行讨论，并将航线选择归结为寻求曲面上的最短弧。

Air China has developed on its own the operation management system, integrated satellite telephone system, space data communication system and shortwave wireless system, which made it the first airline company with the super long-distance supervision capacity in the country. In 2004, after the use of shortwave communication systems, the supervision network which has Beijing and Lhasa as the core, covers the Asian continent, the Indian Ocean and Pacific Ocean stretching to the arctic pole area.

国航自行研制开发了运行管理系统，集成了卫星电话系统、空地数据通讯系统和短波无线电系统，使国航成为国内第一家具有超远程监控能力的航空公司，尤其是2004年短波通信系统的投入使用，形成了以北京、拉萨两点为圆心，全方位、全时空、全天候覆盖亚洲大陆、印度洋和太平洋，并延伸到北极区域的监控网络。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐