With a diachronic analysis of archetypal image of the moon and integration of Chang e Flying to the Moon to witchcraft of reproduction worship, the paper holds that the moon myth experiences three mythological forms and evolutionary patterns-initial archetype, sub-archetype and complex archetype, which correspond to god of harvest, god of reproduction and god of complex Hymen respectively.

Analysis of Error Sources for Trans-lunar Spacecraft Orbit Determination;

To improve the navigation efficiency and precision of the omni-directional mobile manipulator(ODMM),the ultrasonic-absolute-positioning strategy is proposed,where the move-to-goal behavior and avoid-obstacle behavior based on absolute positioning are involved.

Using molten Pb-Sn-Bi low-melting alloy,the meniscus behavior in the round billet continuous caster with high frequency magnetic field was investigated.