查询词典 existence

In this paper we prove the existence and uniqueness for the global solutions of the Cauchy problem of the coupled system of semilinear wave equation s.

本文证明了一类半线性波动方程组Cauchy问题整体解的存在唯一性。

When the space variable is one-dimension, mathematicians had made thoroughly study in the existence and uniqueness of Cauchy problem or the first boundary problem.

当空间变量是一维时，人们对该退化抛物方程的Cauchy问题和第一边值问题解的存在唯一性已经进行了深入的研究。

In chapter 3,we consider the Cauchy problem of transportation equation 〓Which is referred to as the simplification model of gas dynamics equations with constantpressure,and prove the existence and uniqueness of weak solution.

在第三章，我们考虑了运输方程〓，2的Cauchy问题，并且证明了广义解的存在性。最后，我们考虑下列二维Cauchy问题〓通过引进新的广义解定义，证明了解的存在唯一性。这个解可能含〓波。

In this paper,we study the Cauchy problem of nonlinear Klein-Gordonequations By introducing a family of potential wells, we not only give a threshold resultof global existence and nonexistence of solutions, but also obtain the vacuumisolating of solutions.

本文研究了以下非线性K1ein-Gordon方程的柯西问题通过引进一族位势井，不仅得到了该问题解的整体存在性与不存在的门槛结果，而且也得到了解的真空隔离现象。

The existence of credit right is no more the causa sine quo non for formation or transfer of Land Charge, and Land Charge is totally independent of any causa de jure.

土地债务的设定和移转无需依赖于保全之债权的有效性或者任何其他法律上的原因。

For long time, my factory prints a version to electroplate a group in addition to import of the nickel urn is full-automatic, other of five electroplates slot almost is depend on moving an operation to control to electroplate of temperature, electric current and time of, print a version to plate chrome especially, with its special operation craft and the high causticity, the long-term existence product quality unsteady problem, can not keep up with the request that assurance product quality unifier.

长久以来，上海印钞厂印版电镀小组除了进口的镍缸是全自动的，其它的五个电镀槽几乎都是依靠手动操作来控制电镀时的温度、电流和时间的，特别是印版镀铬，以其特殊的操作工艺和高度腐蚀性，长期存在产品质量不稳定的问题，跟不上保证产品质量的统一性的要求。

In spite of their Unitarian proclivities and their masks of conservative broadmindedness, they were two generations behind interpretative science: their mental processes were mediaeval, while their thinking on the ultimate data of existence and of the universe struck him as the same metaphysical method that was as young as the youngest race, as old as the cave-man, and older - the same that moved the first Pleistocene ape-man to fear the dark; that moved the first hasty Hebrew savage to incarnate Eve from Adam's rib; that moved Descartes to build an idealistic system of the universe out of the projections of his own puny ego; and that moved the famous British ecclesiastic to denounce evolution in satire so scathing as to win immediate applause and leave his name a notorious scrawl on the page of history.

同时，他也感到，他们看待生命和宇宙的终极事实的方法还是形而上学的，那种看法阻地球上最年轻的种族的看法一样幼稚；也跟穴居人的看法一样古老，甚至更古老--那看法使第一个更新世的猿人害怕黑暗；使第一个匆促的希伯来野蛮人用亚当的肋骨造成了夏娃；使笛卡尔通过反射渺小的自我建立了唯心主义的宇宙体系；使那有名的英格兰传教士用尖刻的讽刺来谴责进化论，并立即博得了喝彩，从而在历史的篇章里草草留下了一个臭名。

Its very existence implies ceasing to exist,and this is the root of the feeling of tragedy.

其世界的存在恰恰暗示着它的存在会结束，只就是伤感的根源。

Created with contemporary composition techniques, this piece bears a ternary form and uses celesta and hand drum as accompanying instruments. Its style varies between robust, vigorous, energetic and gentle, misty, floating, depicting the search for a natural state of existence.

这是运用现代作曲技法创作的扬琴独奏曲，并用钢片琴与手鼓伴奏，通过三段曲体，时而刚性浓烈，激越奔放；时而柔性幽远，朦胧飘逸，表现人们对自然意境的寻觅。

GuoShouJing On this basis, the existence of disadvantage for the celestial globe has made bold innovations in the transformation.

郭守敬在此基础上，针对浑天仪存在的缺点进行了大胆的革新改造。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷