v establish after a calculation, investigation, experiment, survey, or study
v shape or influence; give direction to
v fix conclusively or authoritatively
v decide upon or fix definitely
v reach, make, or come to a decision about something
v fix in scope; fix the boundaries of
v settle conclusively; come to terms
v find out, learn, or determine with certainty, usually by making an inquiry or other effort
s having the power or quality of deciding
v. 决定（determine的ing形式）