zhàn jī
opportunity in a battle
fighter aircraft
war secret
jīng jì xié lì kāi fā jī gòu
Organization for Economic Cooperation and Development, OECD
also written 經濟合作與發展組織|经济合作与发展组织[Jīng jì hé zùo yǔ fā zhǎn zǔ zhī]
zhàn jì
military successes
(fig.) success
accomplishment