1. 指标：index variable 指标变量 | indicant 指标 | indication 指示法
2. 指示的,指示征状,适应症,适效：玉米 Indian corn | 指示的,指示征状,适应症,适效 indicant | 靛青质尿,木蓝素尿 indicanuria
3. 指示物 (名)：Indic 印度的; 印度语的 (形) | indicant 指示物 (名) | indicate 指出; 象征; 显示 (动)
noun
1. a number or ratio (a value on a scale of measurement) derived from a series of observed facts
can reveal relative changes as a function of time
Synonym: index index number indicator
2. something that serves to indicate or suggest
e.g. an indication of foul play
indications of strain
symptoms are the prime indicants of disease
Synonym: indication