Basic meaning:
Original meaning: not good, not up to standard. Poor grades, poor grades.
Extension: extension means "not quite, inconsistent" or so.
Poor people: just.
Extension: extension refers to "differences, differences" such as: differences, gaps, differences, price differences. ?
Extension: Extension means that the difference between "mathematically the number obtained by subtraction" and four minus two is two.
Extended meaning: also used as surname.
Extended data
Stroke order:
Explanation of word combinations:
1, sent [ch ā i qi m: n]?
Assigned to work outside; Dispatch: serving the boss.
2. Business trip [ch chāI]?
(staff of government agencies, troops or enterprises) temporarily go to other places to handle official business: go to Beijing ~. I was on a business trip for a month.
3. Time difference [shí chā]?
Mean solar time is different from apparent solar time. The time difference is constantly changing throughout the year. The maximum positive value is+14 minutes and 24 seconds, and the maximum negative value is-16 minutes and 24 seconds. Four times equals zero. See Solar Time.
4. Tolerance [G not ng ch ā i]?
Temporary official dispatch: going out ~.
5. Error [wü ch ā]?
Also known as absolute error. The difference between the exact value of a quantity and its approximate value. The ratio of absolute error to approximate value is called relative error. The magnitude of the error reflects the accuracy of the results obtained from experiments, observations, measurements and approximate calculations.