An interference wave investigation technique called box wave method was developed in seismic exploration in the middle and lower Paleozoic formations in JS area.

The application of box wave technique in planning field survey system.;

The following paper introduces present situation of the construction of low-rent housing at home and abroad,analyzes the problems existed in low-rent housing construction at home,proposes various measures to solve the problem of its construction funds,and illustrates that man should adopt "box" system which is reusable to solve practical questions and reduce the wasting of resources.

1)A sufficient and necessary condition that a 1×2 rectangle can tile a polyomino is given;2)The problem of tiling boxes with congruent bricks in high dimensional spaces is discussed.

Through the Symbols — "The Cave","The Box","The Sea" and "The Sea Monster",the novel analyzes the hero Charles fantastic and un-woken inner soul.

Based on the comprehensive research of rock cores, well loggings and seismic data and according to the principles of base-level cycle, one super-long-term, two long-term, four middle-term and several short-term cycles sequence are distinguished in Member 8 of Shihezi Formation in the Sulige gas field of Ordos Basin.

There is one layer of bauxite at the bottom of Wanshan segment of Shihezi formation in western Shandong province that is generally called layer-A bauxite.