Clinical application research of laparoscopic inguinal hernia repairs by using three-point-suturing method (clinical reaserch report of 18 cases);

Methods The experience of diagnosis and treatment of concealed penis was summarized and the method and indication of three-point fixation of the penis,modified Devine\'s technique,modified Foreskin-Deglove and Shaft-Fix procedure were introduced.

Global Approximately Controllability and Finite Dimensional Exact Controllability for Parabolic Equation with Fixed Point Controls;

Via reading system variables fixed point of axes can be determined in machine coordinates system: Via reading system variables PLC state bit is condition of criterion as NC macro-program goto;Via transferring positioning function FC15 or FC18 control for PLC axis is finished.

Ausubel,a cognitive educational psychologist of America thinks that,conformity and harmony is necessary in the course of learning new knowledge,using the learner s knowledge to be the fixed point of learing new knowledge,giving the learner proper directing materials to be the bridge of learing new knowledge and the learner will learn more efficiently.