Method To compared with UA and MCA's Doppler parameter in the 44 cases umbilical cord around neck by caesarean section fetus and 61 cases by parturition fetus, take ri and VP as analysis target.
At present, it is urgent for moral educators to change their concept of moral education and construct modern moral education method system which suits the characters of times.
Chapter Four stresses the importance of moral education. It discusses briefly how teachers bring their personalities into full play and introduces tactics and methods in improving moral characters.
Based on actual application of orientation percolation tech by developing percolator structure and operation techniques, method of percolated hole being parallel to formation is presented.