黑盒

hēi hé black box; fig. system whose internal structure is unknown

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

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

都

dōu all; both; entirely; (used for emphasis) even; already; (not) at all

Dū surname Du

dū capital city; metropolis

懂

dǒng to understand; to comprehend

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]

六扇门

liù shàn mén seat of the government; yamen; (in wuxia stories) special police force

查

chá to research; to check; to investigate; to examine; to refer to; to look up (e.g. a word in a dictionary)

zhā see 山查[shan1 zha1]

Zhā surname Zha

档

dàng official records; grade (of goods); file; records; shelves; slot; gap; crosspiece; classifier for crosspieces; classifier for events, affairs etc; Taiwan pr. [dang3]

dǎng (Tw) variant of 擋|挡[dang3], gear

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

搜索

sōu suǒ to search (a place); to search (a database etc)

shegongshop