verhulst meaning in English
费尔许尔斯特
威尔霍斯特
Examples
- Forecasting model of urban sewage discharge based on grey verhulst
的城市污水排放量预测模型 - The existence and uniqueness of global solutions for verhulst ' s partial differential equations on the population mathematical models
一类描述人口群体增长模型的非线性方程非局部定解问题解的存在性研究 - The gray model gm ( 1 , 1 ) in the gray theory is established to forecast the subsidence successfully , and the verhulst model is also established to estimate subsidence tendency of a building
运用灰色系统理论建立gm ( 1 ， 1 )模型，对结构的沉降进行成功预测；建立verhulst模型，对结构沉降发展态势作出评估。 - It was known to all that p . f . verhulst and a . l . j . quetelet who proposed the classical logistic model in 1838 , and then t . g . hallam and c . e . clark mended the classical logistic model in 1993
Clark修改了经典的logistic方程近些年来，许多专家和学者对logistic方程中的两个参数：内禀增长率r和环境的最大容纳量k从不同方面进行完善 - The process and methods of monitoring measurement in the course of construction are detailed the measuring data analyzed and treated are studied . besides the forecast and calculate of tunnel surrounding rock stably displacement are deeply researched , and according to the uncertainty of geotechnical engineering , grey verhulst model is put forward to forecast tunnel surrounding rock displacement based on optimizing gm ( 1 , 1 ) model
介绍了隧道施工监控量测的过程和方法，对量测数据的处理技术与分析方法进行了研究，深入地研究了隧道围岩稳定位移的预测预报，并针对岩土工程的不确定性，在优化gm ( 1 ， 1 )模型的基础上，提出了用灰色verhulst模型预测隧道围岩位移。