查询词典 at infinity

At last, the isochronous center of infinity of a class of quintic systems is studied and all conditions of center and isochronous center are obtained for infinity of this system, which is the first time for the research on the isochronous center of infinity.

最后，研究了一类实平面五次系统的无穷远点的等时中心，给出了系统无穷远点为中心和等时中心的全部条件。这是迄今对无穷远点等时中心进行的首次研究。

Using the recursive formula and computer algebra system-Mathematica, the first six singular point values at infinity of the system are given.

对一类三次系统给出了计算无穷远点奇点量的递推公式，并在计算机上用计算机代数系统Mathematica推导出该系统无穷远点的前6个奇点量，进而导出了无穷远点成为中心和最高阶细焦点的条件，在此基础上得到了一个三次系统在无穷远点分支出6个极限环的实例，指出了极限环的精确位置。

The results of the two sorts of references both indicated that P1 and N1 relatively enhanced in selective attention, but there still had a little difference, in the case of a point at infinity reference, the enhancement of P1 was more obvious and P2 appeared in both attended and unattended cases.

结果表明，两种参考电极一致地在选择性注意中产生P1，N1的相对增强反应，但也略有差异，其中以无穷远点为参考的结果中，P1的相对增强更加明显，P2能较好地同时出现在注意与非注意两种条件下。

The effects of average potential or a point at infinity used as references on the event- related potentials of spatial selective attention to the right and left visual fields were investigated.

翟义然，尧德中，范思陆，敖新宇，陈霖，在平均参考和无穷远点参考情况下，对左右视野空间选择性注意的ERP反应进行了研究。

Second theorem shows that the existence of solution is possible under suitable conditions when the limit of growth of nonlinear term at infinity is an unbounded function.

第二个定理表明当非线性项在无穷远处增长的极限是一个无界函数时在适当条件下这问题仍可能有一个解。

In the UK, for example, the unbuilt Lochnagar Street and River Hull bridges are included, but the Sackler Crossing at Kew and the Infinity Bridge at Stockton are out.

在英国，例如，未有兴建洛赫纳加赫尔街和河大桥包括在内，但英国皇家赛克勒隧道和无穷的斯托克顿桥被淘汰。

In addition, when the medium is subjected to the far-field uniform loads, the electric field inside any line inclusion is equal to a constant, which is related to the mechanical-electric loads at infinity and the material properties.

同时，当介质承受远场均匀加载时，在所有夹杂内电场均相等，且为一常数，其值与无限远处的机-电载荷和材料常数有关。

The electric-field and potential distribution along a post insulator under dry and clean conditions are calculated through the Finite Element Method.and three principles about model building are presented.In theprocess of solid modeling.the post insulator is simplified to a 1/2 area model because of its axial symmetryt and anannular area is innovatively presented to represent the field at infinity.W hen area meshing.the metallic fittings ofthe insulator are omitted.

为解变电站支柱绝缘子表面电场分布及RTV涂料、增爬裙的影响，用有限元法计算了洁净条件下支柱绝缘子的电场和电势分布规律，提出了模型建立的三原则--根据轴对称性简化模型；采用环形区域作为无限远求解区域；不剖分绝缘子的金属附件。

Fixed eyelevel pentaprism high-eyepoint type; 0.75X magnification with 50mm lens set at infinity; 92% frame coverage.

固定眼平五稜镜远出射点式；以 50 mm镜头调至无限远，放大倍数约 0.75 倍；观景范围为影像面积之 92％。

In this dissertation we consider the computation of the critical groups C〓 at infinity for a C〓-functional, and the applications to semilinear and quasilinear elliptic boundary value problems.

在这篇博士学位论文中，我们研究泛函在无穷远处的临界群C〓的计算问题，以及所得结果对半线性、拟线性椭圆边值问题的应用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。