哈希

hā xī hash (computing); see also 散列[san3 lie4]

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

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

, 非常

fēi cháng very; very much; unusual; extraordinary

踏实

tā shi firmly based; steady; steadfast; to have peace of mind; free from anxiety; Taiwan pr. [ta4 shi2]

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]

源头

yuán tóu source; fountainhead

免费

miǎn fèi free (of charge)

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

网站

wǎng zhàn website; network station; node

mianfeione