In this paper,generalized Weng's prediction model and arc tangent function prediction model are applied in development index prediction to predict oil production and water cut respectively,and then predict development indexes including fluid production,water production,cumulative oil production,cumula.

This article reviewed the latest research progress in prediction index for this disease in order to provide some advice on management for obstetricians.

According to the results of observation and experiments,we make the wheat frost prediction index and remedial measure after disaster.

Based on the probability analysis model of fault chain of security science,the prediction index of middle segments of fault chain based on flow of network is presented to establish the fault chains,in which the cascading failure probability is quantified.

Study of sustainable development indicators forecast about regional economic subsystem based on an artificial neu- ral network.;