nonexistence

英

美

n.  不存在

COCA.27345

柯林斯词典

• N-UNCOUNT 不存在
  Non-existenceis the fact of not existing.
  1. I was left with puzzlement as to the existence or non-existence of God...
     我对上帝存在与否还是困惑不解。
  2. The applause from the delegates was thin to the point of non-existence.
     代表们的掌声稀稀拉拉，几近于无。

英英释义

noun

• the state of not existing
  Synonym:nonentity

双语例句

• Nonexistence of Polynomial First Integrals for Quadratic Planar Vector Systems
  平面二次向量场多项式首次积分的不存在性
• Local existence, global existence and nonexistence of classical solutions for a degenerate and strongly coupled quasilinear parabolic system were studied.
  研究一类强耦合拟线性退化抛物方程组初边值问题正古典解的局部存在、全局存在与非全局存在性。
• However, I believe no one will doubt its nonexistence.
  但我相信没人会对这样人的“不存在”产生疑问。
• The Global Existence and Nonexistence of Solutions to Semilinear Parabolic Equations in R_+~ N
  R+~N上半线性抛物方程解的存在性和不存在性
• Cai has given these theories on pain and its nonexistence much time and consideration, incorporating his ideas into his work and continuing to explore the theme in his various forms.
  蔡志松花了许多时间和精力思考痛苦和化解痛苦的方法，他将他的观点融入到作品中，并继续寻找其他表现方式来诠释这一主题。
• Two threshold results for global existence and nonexistence of solutions for semi-linear hyperbolic equations and parabolic equations;
  给出一类非线性双曲型方程初值问题解爆破的充分条件，并且证明问题局部广义解的存在性和唯一性。
• By using the eigenvalue techniques and properties of intersection numbers, it is obtained that the distance regular graphs with the following intersection arrays are nonexistence.
  利用距离正则图的特征值方法和交叉数的性质，证明了具有下列交叉阵列的距离正则图是不存在的。
• Global Existence and Nonexistence for a Degenerate and Strongly Coupled Quasilinear Parabolic System
  一类强耦合拟线性退化抛物方程组解的全局存在与非存在性
• The downside of open classes, aside from their nonexistence in most programming languages ( including the Java language), is the lack of certainty brought about by their very flexibility.
  开放类的缺点，除了在大多数编程语言中的不存在性（包括Java语言），是由其本身的灵活性而带来的确定性的缺乏。
• Existence and Nonexistence of Positive Solutions of Semilinear Elliptic Equation With Inhomogeneous Strong Allee Effect
  具有强Allee效应的半线性椭圆方程正解的存在性和非存在性