Cov kev cai ntawm kev txheej:
Txheej txheej tiv thaiv kev hnav khaub ncaws zoo nkauj
Cov Ntsiab Lus Tseem Ceeb ntawm Zhenhua Program:
-
Muab cov khoom siv txheej thiab kev txhawb nqa kev siv tshuab txheej rau cov chaw tsim khoom lag luam thiab cov neeg siv khoom.
-
Muab cov kev daws teeb meem zoo, zoo, thiab pheej yig rau kev tsim kho tshiab tas mus li thiab kev loj hlob ntawm kev lag luam.
