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- In this paper the existence of solution of Cauchy problem for Euler equation is discussed. 讨论二维不可压缩Euler方程Cauchy问题解的存在性.
- The solvability and the existence of solution for a wave equation with periodic condition under strong resonance are studied in the paper. 摘要本文研究波动方程边值问题当非线性项满足强共振条件或为周期函数时的可解性和非平凡解的存在性。
- Potassium is necessary to the existence of all living things. 钾是所有生物生存必须的。
- Atheists deny the existence of God. 无神论者不相信上帝的存在。
- Under appropriate assumptions, the existence of solution is proved by means of the theory of differential inequalities and the uniformly valid asymptotic expansion for arbitrary nthorder is obtained. 在适当的条件下，利用微分不等式理论证明?解的存在性，得到?解的任意阶近似的一致有效渐近展开式。
- I believe in the existence of discarnate spirits. 我相信无形的灵魂之存在。
- Do you really believe in the existence of God? 你真地相信上帝存在吗?
- He proved the existence of parallel lines. 他证明了平行线的存在性。
- Dimorphism The existence of two distinct forms. 二型现象：出现两种不同的类型。
- The finds from these burial grounds point to the existence of a prosperous matriarchal society. 这些墓地中发现的东西说明曾经有过一个昌盛的母系社会。
- We prove the existence of a new kind of solutions for the scalar curvature equation in R(superscript N). 摘要我们证明在R(上标N)上纯量方程某种新解的存在性。
- Applying upper and lower solution method, we investigate the existence of solutions of a class of periodic boundary value problems for impulsive differential equations with piecewise constant argument. 利用上下解方法,研究了一类具逐段常数变元的脉冲微分方程的周期边值问题的解的存在性。
- Do you believe in the existence of God? 你相信上帝的存在吗?
- On the other hand, the boundness of these norms provides the possibility of proving the existence of solutions to the problem. 另一方面，这些范数的有界性为证明解的存在性提供了可能。
- Determinism denies the existence of free will. 宿命论否认自由意志的存在。
- In this dissertation, the existence of solutions for variational inequalities related to semi-monotone operators are mainly considered. 本文主要讨论与半单调算子相关的变分不等式解的存在性。
- This paper is concerned with the existence of solutions for a class of stationary model for semiconductor. We also study the semi-classical limit. 摘要研究一类半导体稳态模型的混合边值问题解的存在性，同时也研究了其半古典极限问题。
- With Berkeley he denies the existence of matter. 他和柏克烈同样否认物质的存在。
- The phenomenon of the existence of isomers. 同分异构现象存在同分异构体的现象
- In this paper,using KAM theory,we obtain the boundedness of solutions as well as the existence of many invariant tori for jumping nonlinear oscilltions. 利用KAM理论研究了一类跳跃非线性方程解的有界性及大量不变环面的存在性。
