The studied results in this paper showed that to give the first weights arbitrarily will affect nothing for the final result, when the weights are recalculated by Helmert estimation of variance in the repeating adjustment of control network.

The formation and development of Ningxia initial water rights;

Research on Water Rights System and Allocation of Initial Water Rights;

Study on allocation of initial water rights in Tianjin Binhai New District

The weights initialization of input floor and output floor are set by applying the loading weights of dependent variable and cause variable,the member of hidden nodes are set by applying factor numbers o.

The weights initialization and the member of hidden nodes are set by applying theloading weights and factor numbers of O-PLS algorithm.

Ensuring agricultural water use should be insisted on during the original water right distribution, which applies with the basic principles of original water right distribution and is beneficial for trade of water rights.

Through the comparative study on the water right trade between our country and foreign countries,the key problem in the water right trade is concluded that is original water right allocation,the water right system and the price of water right trade.

Establishment and application of initial water right allocation model;

Democratic consultation has an irreplaceable value for procedure and essence in initial water right distribution of river basins, and its important content in "Good Management" framework of river basin.