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

• 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
• 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。
• 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
• The condition or quality of being nothing; nonexistence.
  虚无无物的状态或性质；不存在。
• 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
• Stable vibration, reliable operation, low noise, small energy consumption, nonexistence of material clashinglong service life.
  振动平稳、工作可靠、噪声低、耗能小、无冲料现象、寿命长。
• 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。
• On Nonexistence of Euler's Formula for Stabilization of Compressive Bar
  关于压杆稳定欧拉公式实际上不存在的论证
• 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。
• Nonexistence of Laurent Polynomial First Integrals for Periodic Systems
  周期系统Laurent多项式型首次积分的不存在性