北斗衛星導航系統 běi dǒu wèi xīng dǎo háng xì tǒng

north; (classical) to be defeated

to fight; to contend; to struggle

abbr. for 卫生wèi shēng, hygiene; health; to guard

star; heavenly body; satellite

to lead; to guide; to direct

to navigate; to sail; to fly

department; faculty; system

whole; to unite; to unify