链环: chain link; chain iron指数: index number; index法: law循环指数: cyclical index; recycle index指数法: exponential method; index method; method of index numbers; profitability indexk指数法: k-index method分式指数法: fractional exponent method扩散指数法: method of diffusion index落差指数法: fall exponent method生物指数法: biotic index物价指数法: price index approach; price index number method选择指数法: selection index method氧指数法: plastics-determination of flammability by oxygen index; test method for the determination of oxygen index of insulating liquids应力指数法: stress index method有效指数法: effective index method杂种指数法: hybrid index method指数计数法: exponential notation指数记数法: exponential notation逐年指数法: sum of years digits method平流层循环指数: sci环指: digitus anularis; fourth finger; medical finger; ring finger单因素指数法: single-factor index多因数指数法: multiple-factor index method多因素指数法: multiple-factor index季节性指数法: season forecast
