Use your index finger to mark where you are on the page at all times.
用你的食指，指在你阅读的页面位置，防止你看错行浪费时间。
The local shares index has dropped sharply towards the 3000 mark.
本地股指骤降，直逼3000点大关。
Oil productivity index is a direct mark of the production for a producing horizon.
采油指数是油层产出能力的直接标志，用试井的方法获取采油指数极为有限。
The method of the judgment for each index replaced Mark and Form by Line Segment.
并采用线段法评判各单项指标，以替代表格统计法和评分法。
The method of the judgment for each index replaced Mark and Form by Line Segment.
并采用线段法评判各单项指标，以替代表格统计法和评分法。
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