| 专业 | zhuān yè | specialty; specialized field; main field of study (at university); major; CL:門|门[men2],個|个[ge4]; professional |
| 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) |
| 行为 | xíng wéi | action; conduct; behavior; activity |
| 轨迹 | guǐ jì | locus; orbit; trajectory; track |
| 级别 | jí bié | (military) rank; level; grade |
| 黑 | Hēi | abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1] |
| hēi | black; dark; sinister; secret; shady; illegal; to hide (sth) away; to vilify; (loanword) to hack (computing) | |
| 科技 | kē jì | science and technology |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 最新 | zuì xīn | latest; newest |
| 数据 | shù jù | data; numbers; digital |
| shù jù | data; numbers; digital; also written 數據|数据 | |
| 在线 | zài xiàn | online |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 网站 | wǎng zhàn | website; network station; node |