The Rotterdam Rule of United Nations stipulates that the choice of court agreements(jurisdiction provision) is effective between the parties under volume contract,and also binds the third party under the special condition.

The article evaluates the Rotterdam rules from legal view on some questions as following: maritime + others,obligations and liability of the carrier,obligations and liability of the shipper,delivery of goods,volume contract and contract freedom,identity of the carrier.

In flexible stack system,stack master and stack slave are all in working state,the process priority of data batch synchronization is not the highest,it is very difficult to synchronize data quickly and reliably between stack master and slave.

A series of heuristic algorithms was designed to solve problems in optimization of short and unfixed order-grouping in steel tube production.

Self-adaptation ga-based optimization method on order grouping in sm-cc planning;

The Irrationality about the System of Examining and Approving Foreign Invested Enterprise Contract——The conflict of the system of examining and approving the contract and the principle of freedom of contract;