Lyapunov第二方法
lyapunov’s second method
the second method of Lyapunov
第二Grneisen系数
the second Grneisen parameter
第二课堂
Second class
Second classroom
the Second Classroom
secondly classroom
second classrooms
second classroom education
second class room program
extracurricular teaching
English activity after class
extra-curricular activities
vocation
第二位置
secondary position
second position
seconde position; second position
seconde position
DEUXIME
la seconde