查询词典 first quadrant

It is proved that there is no limit cycle around the positive equilibra by constructing Dulac function, thus global asymptotic stability of the positive equilibria is proved in the first quadrant.

分析了该系统的平衡点性态，利用Dulac函数证明了系统在正平衡点外围不存在极限环，从而证明了正平衡点在第一象限内是全局渐近稳定的。

A predator model with refuge and toxicity is studied. By constructing a suitable Dulac function, it is shown that there is no limit cycle in the first quadrant, thus the globally stability of the equilibrium is proved. Further more, the paper analyzes the influence of refuge, toxicity and harvesting. It is amazing that ① if the death rate of predator is big or the harvesting effort is big, the existence of the predator is unrelated with refuge; if the death rate of predator and the harvesting effort are small, and the refuge is small enough, the population of both species is increased as the increase of refuge;② if d2=0, the increase of d1 has no influence on the prey population, while the population of predator is decreased.

研究一类有避难所、毒素作用和外界捕获影响的捕食系统，通过构造恰当的Dulac函数，证明系统在第一象限没有极限环，从而证明了平衡点的全局稳定性；分析了避难所、毒素、捕获作用对该系统最终种群数量的影响，发现：①当捕食者的死亡率大或其被捕获得多时，两种群的绝灭与避难所的存在无关；当捕食者的死亡率小、被捕获得多且避难所足够小时，随着食饵避难所的增加，捕食者种群数量也随之增加；②当毒素d2=0时，毒素d1的增加对食饵种群最终数量没有影响，而使捕食者种群数量下降。

Consider the actual meaning of the system, we are mainly interested in the dynamical behaviour of the system in the first quadrant.

根据问题的实际意义，我们主要感兴趣的是系统在第一象限内的动力学行为。

When I first meet a new person, the size of the opening of this first quadrant is not very large, since there has been little time to exchange information.

当我第一次遇到一个人的时候，这个公开的第一象限面积并不太大，因为交流信息的时间不多。

These points would be scattered throughout the first quadrant.

这些要点将分散在第一象限。

We look at the matrix map, the horizontal axis for market share, vertical axis is satisfied, we can see a lot of blue in the high point of market share range, is in the first quadrant and the fourth quadrant, only the domestic air-conditioning and refrigerator Brand is a high degree of satisfaction with the first Matrix, a general view that our domestic brands can be said to occupy a cost-effective in the low-end market, but in terms of satisfaction to be improved.

我们看一下矩阵图，横轴为市场份额，纵轴是满意度，可以看到大量蓝点分布在高的市场份额区间，就是在第一象限和第四象限，仅有空调和冰箱的国产品牌是属于满意度较高的第一矩阵，所以总体来看说明我们的国产品牌，可以说性价比占据了中低端市场，但是满意度方面还是亟待提高。

The First Quadrant, containing the First, Second and Third Houses of the Zodiac, falls in the northern and eastern hemispheres of the chart an

温和体贴富同情心的处女座；永远年轻的金牛座；以及有耐心、殷实可靠同属摩羯座的人，都很相称。

Can know from Figure 1, the growth media from a disadvantaged position the media, the strategy can go no more than two paths, one from the quadrant III Quadrant IV as the first arrival of the first I quadrant, that is, to raise the audience to reach, and then to raise the audience loyalty achieved; the second from the first quadrant III arrived by the first article I Quadrant II Quadrant, which is to raise the audience loyalty, and then raise the audience to reach to achieve.

由图1 可以知道，从一个弱势媒体成长为强势媒体，可以走的策略路径无非两条，其一由第III象限经第IV象限到达第I象限，即先提高观众到达，再提高观众忠诚来实现；其二由第III象限经第II象限到达第I象限，即先提高观众忠诚，再提高观众到达来实现。

According as different projection of point of fall for Rocket in XOZ quadrant, the correction points are searched with the method along OX axle for errors point of fall, first correction point is searched in first quadrant, second t correction point is searched in second quadrant, third t correction point is searched in third quadrant and so on.

该方法以炮弹落点在XOZ象限投影的不同，沿落点偏差轴OX 寻找推冲点：第一象限一次可寻找到第一修正点，第二象限则应寻找第二点，以至第三点。

And the scores of the inner annulusand the first quadrant swimming time the rat fetuses got in Morris water maze test were analyzed with spss 11.0Results: There was significant differences in the scores of the inner annulus(0.1193±0.0810) and the first quadrant swimming time(0.5233± 0.1375 )that got in Morris water maze between the 30 min group and the

统计各组在第一象限的游泳时间及在内环的得分。所得分数用统计软件spss 11.0进行评价。结果超声辐照30min组，成年期大鼠在Morris水迷宫测试中第1象限游泳时间(0.5233±0.1375)及内环所得分数(0.1193±0.0810)与对照

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。