According to the anther s own experience,it summarizes the distributing order,constructing order of pipe arrangement in the front of residential districts;it also analyzes the advantages of this kind of arrangement.

Based on the order rearrangement of single photon sequence, we present a multiparty controlled quantum secure direct communication protocol.

The paper designs a kind of RGV (Rail Guided Vehicle) multifunctional shuttle based on a certain automated storage and retrieval system,proposes the nearest served rule on the basis of sequence queuing rule,and with the storage strategic setting as a method of operation scheduling so as to improving the input efficiency of the warehouse.