| 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 |
| 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 |
| 第一 | dì yī | first; number one; primary |
| 推荐 | tuī jiàn | to recommend; recommendation |
| 全民 | quán mín | entire population (of a country) |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 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) |