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

chalachacom 是否

shì fǒu whether (or not); if; is or isn't

查询

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

某人

mǒu rén someone; a certain person; some people; I (self-address after one's surname)

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]

航班

háng bān scheduled flight; flight number; plane; scheduled sailing; sailing number; passenger ship

飞行记录

fēi xíng jì lù flight record

信息

xìn xī information; news; message

选择

xuǎn zé to select; to pick; choice; option; alternative

最多

zuì duō at most; maximum; greatest (amount); maximal

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]

方法

fāng fǎ method; way; means; CL:個|个[ge4]