本文提出了在有历史洪水情况下洪水频率的非参数核估计方法，克服了现行方法假定分布型式的局限。
A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.
这些结果是利用如下的两种方法获得的：其一是历史上地震数据的定性资料分析，其二是利用非齐次马尔柯夫模型的定量计算。
The prediction is made using the following 2 methods: the deterministic statistical analysis of the historical seismic data and the computation by means of the inhomogeneous Markov model.
利用催化剂线源扩散模式确定人工增雨作业后的目标区，并采用非随机活动对比区和目标区分层历史回归的方法估算作业效果。
The regression analysis method of non stochastic process and movable control over the target area was used to assess seeding effect. The target area was determinated by diffusion equation.
利用催化剂线源扩散模式确定人工增雨作业后的目标区，并采用非随机活动对比区和目标区分层历史回归的方法估算作业效果。
The regression analysis method of non stochastic process and movable control over the target area was used to assess seeding effect. The target area was determinated by diffusion equation.
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