The paper try to explain the four different levels of the "hermaphrodites" in feminism’s perspective:from the image of God,human heterosexual psychological tendency to have heterosexual experience with the help of clothing ,to have the real heterosexual life.

Influence of regeneration coarse aggregate in different substitution rate over concrete s workability and intensity;

The influence of coarse aggregate limiting grain size on the strength and workability at low water-binder ratios;

The study of the influence of sand percentage on the workability and strength of concrete;

Effect of grinding methods on characteristic and burnability of raw meal;

Study on effect of property of limestone on burnability of meal;

Using burnability index to control the burning temperature of rotary kiln;

An approach to extension assessment of disaster vulnerability for small towns and its application;

Thinking on causes and tactics to the vulnerability of public environment;

Kill probability contour analysis method for assessing aircraft single hit vulnerability;