还有更多务实的读者推荐木头托盘、纸箱、塑料拉伸缠绕膜等包装材料作为实用的先导指标。
More down-to-earth readers tipped packaging materials, such as wooden pallets, cartons and plastic stretch-wrap, as useful leading indicators.
新型的压电材料的研究也使其线性、失真等指标有很大提升。
New type of piezoelectric material to the study of linear distortion such as indicators of a great upgrade.
本月早些时候，因为有评论员质疑Groupon用以解释财务状况的会计指标，Groupon修改了提交给美国证券交易管理委员会的材料。
Earlier this month, Groupon revised its initial filing with the U.S. Securities and Exchange Commission after critics questioned the accounting metrics the company used to explain its finances.
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