At first I wish to say something about my understanding of the proposed guidelines for achieving national revival by means of science and education. The vital i
Ⅰ.THE PRESENT SITUATION AND THE BASIC TASKS FOR EDUCATIONAL WORK AT THE ACADEMY While human society is welcoming the turn of the century.the world is in a hist
To solve the problem of attitude synchronization control for spacecraft formation flying(SFF)suffering from external disturbances under a directed communication