index system

常见例句

During the 1920s Fisher became rich from the invention and sale of a card-index system.
在20世紀20年代，費雪因爲發明和銷售卡片索引系統成了富翁。
If weather conditions deteriorate, a panel of experts uses an index system to determine if crops will no longer be viable.
如果天氣狀況惡化，一個專家小組就使用索引系統來決定莊稼是否將存活下去。
The first batch of statistics is expected to be officially released before the end of 2007. China’s first official index system for E-commerce statistics is under construction.
目前正與中國國家統計侷聯郃開展電子商務統計，第一批統計數據預計在2007年年底前可正式對外發佈，中國第一個權威的電子商務統計指標躰系正在逐步形成。

They used a system of measurement called the Body Mass Index to define words like obese and overweight.

According to the China Real Estate Index System, prices of second-hand homes rose 2.81% from February this year.
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