关键词 草地螟，发生程度，马尔科夫链，预测 [gap=1446]Key words Loxostege stictialis，degree of occurrence，Markov chain theory，prediction
基于6个网页-相关网页
The occurrence degree of wheat midge has close relationship with temperature, humidity and sunshine.
小麦吸浆虫的发生程度与温度、湿度、日照密切相关。
Based on investigation materials of the occurrence degree of rice sheath blight, long period prediction models were built by means of correlative analysis with several predisposition factors.
根据水稻纹枯病发生与危害程度的调查资料，经与各诱病因素的相关性分析，组建成早、晚稻纹枯病的长期预测模型。
The inter-porosity flow factor and the elastic storativity ratio determine the occurrence time and the degree of the inter-porosity flow.
窜流系数和裂缝弹性储容比的变化决定了窜流段发生的早晚和程度；
应用推荐