() (used as a singular noun 用作单数名词) a measure of economic activity in the section of the economy that is concerned with the manufacture of goods, published every month采购经理人指数◆A PMI over 50% means that manufacturing is expanding.采购经理人指数超过 50% 意味着制造业正在扩张。ⓘ PMI is formed from the first letters of the words ‘Purchasing Managers' Index’.PMI 由 Purchasing Managers' Index 的首字母构成。