| 全国 | quán guó | whole nation; nationwide; countrywide; national |
| 信息 | xìn xī | information; news; message |
| 调查 | diào chá | investigation; inquiry; to investigate; to survey; survey; (opinion) poll; CL:項|项[xiang4],個|个[ge4] |
| 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 |
| 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] | |
| 老 | lǎo | prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity; old (of people); venerable (person); experienced; of long standing; always; all the time; of the past; very; outdated; (of meat etc) tough |
| 站点 | zhàn diǎn | website |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |