| 国内 | guó nèi | domestic; internal (to a country); civil |
| 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 |
| 不可或缺 | bù kě huò quē | necessary; must have |
| 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] | |
| 解密 | jiě mì | to declassify; (computing) to decrypt; to decipher |
| 内幕 | nèi mù | inside story; non-public information; behind the scenes; internal |
| 开 | kāi | to open; to start; to turn on; to boil; to write out (a prescription, check, invoice etc); to operate (a vehicle); carat (gold); abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2]; abbr. for 開本|开本[kai1 ben3], book format |
| 盒 | hé | small box; case |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 在线 | zài xiàn | online |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |