The values pursuit of the policy for rural compulsory education should be "equity of quality", "quality of effectiveness", and "efficiency of humanity".

The concept of modal participating ratio,effective mass ratio,modal effective mass,modal participating mass ratio have been contrasted.

Effects of lattice vibration on the effective mass ofquasi-two-dimensional strong-coupling polaron;

Single nucleon potential and effective mass with ground state correlations in hot nuclear matter;

Studying quartz tuning forks by effective mass;

An energy efficient and load balanced Ad hoc routing protocol;

Novel energy efficient routing algorithm for wireless sensor networks;

An Energy-efficient Routing Protocol Applied in Underwater Sensor Networks;

A Distributed Energy-efficient Clustering Algorithm Based on Space-time Diversity for Wireless Sensor Networks;

An energy-efficient AODV routing protocol based on link stability;

Topology control,as a core problem of WSN,has a fundamental impact on some important network parameters,such as prolonging the system lifetime of WSN, reducing signal interference,enhancing the energy efficiency of MAC and routing protocols,promoting data aggregation and enhancing the scalability,stability,and safety of WSN.

The simulation result verifies that space division hybrid scheme provides the best energy efficiency as well as even energy dissipation.

Simulation results show that the algorithm achieves significantly better performance than conventional range-free algorithms,such as centroid algorithm and APIT algorithm,in terms of localizable ratio,localization precision and energy efficiency.