校正: check; correction; adjust; revise; proofread and correct; rectify; calibrate; make true; master check; [航空; 航海] correcting; adjustment; amendment; updating; zeroing-in; rectification; trim
发生: 1.happen; occur; take place; arise; crop up; chance; befall; come off; come to pass; come about; come up; come what may; be set; turn up; bring to pass:2.germination; occurrence3.-gony; -p