免费

miǎn fèi free (of charge)

查询

chá xún to check; to inquire; to consult (a document etc); inquiry; query

车辆

chē liàng vehicle

行驶

xíng shǐ to travel along a route (of vehicles etc)

轨迹

guǐ jì locus; orbit; trajectory; track

定位

dìng wèi to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche

。 渠道

qú dào irrigation ditch; (fig.) channel; means

最优

zuì yōu optimal; optimum

质

zhì character; nature; quality; plain; to pawn; pledge; hostage; to question; Taiwan pr. [zhi2]

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

技术

jì shù technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4]

大

dà big; huge; large; major; great; wide; deep; older (than); oldest; eldest; greatly; very much; (dialect) father; father's elder or younger brother

dài see 大夫[dai4 fu5]

牛

niú ox; cow; bull; CL:條|条[tiao2],頭|头[tou2]; (slang) awesome

Niú surname Niu

暗

àn dark; gloomy; hidden; secret; muddled; obscure; in the dark

àn variant of 暗[an4]

àn to close (a door); to eclipse; muddled; stupid; ignorant; variant of 暗[an4]

网

wǎng net; network

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

anwangcyou