定位

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

跟踪

gēn zōng to follow sb's tracks; to tail; to shadow; tracking

人

rén man; person; people; CL:個|个[ge4],位[wei4]

脸

liǎn face; CL:張|张[zhang1],個|个[ge4]

识别

shí bié to distinguish; to discern

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]

数据

shù jù data; numbers; digital

shù jù data; numbers; digital; also written 數據|数据

找

zhǎo to try to find; to look for; to call on sb; to find; to seek; to return; to give change

人

rén man; person; people; CL:個|个[ge4],位[wei4]

, 挺

tǐng straight; erect; to stick out (a part of the body); to (physically) straighten up; to support; to withstand; outstanding; (coll.) quite; very; classifier for machine guns

放心

fàng xīn to feel relieved; to feel reassured; to be at ease

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]

技术人员

jì shù rén yuán technical staff

付费

fù fèi to pay; to cover the costs

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

chalalalacom