全面了解废旧电子产品回收行业作业场所的卫生状况，为进一步研究该行业的职业危害状况提供资料。
To overall explore the hygiene status of workplace in waste electronic products recycle industry and to provide datum of further researching that the Occupational hazards status.
在资料整理过程中，28份因填写不完整和故意作答作为无效问卷被剔除，最后回收资料填写完整的问卷292份，有效率91.3%。
In the process of data collection, 28 surveys were eliminated because some participant response was not complete or true, so 292 complete surveys were obtained with an efficient rate of 91.3%.
我删除了邮件，清空了回收站，然后上网去找相关资料。
I deleted the messages and emptied the Recycle Bin. Then I went to the Web for guidance.
在整理和分析示踪沙扫测资料时，通过计算回收率来评价是否能算出计数率等值线的重心，以便进行输沙率或回淤量的定量计算。
The recovery of tracer shows whether the field tracer data can be used to calculate the transport sediment rate or the infill rate of sediment.
结果：共发放问卷246份，回收245份，剔除无效问卷(资料不全)6份，最终有效问卷239份，有效回收率97.15%。
RESULTS: 246 questionnaires were sent out, 245 were recollected, 6 invalid questionnaires (with incomplete data) were excluded, finally 239 were effective, the effective rate was 97.15%.
此外，制药公司并引用统计资料指出，进入人体测试阶段的药物之中，最终只有21.5%得以上市，因此他们必须从获准上市的疗法中回收成本。
Moreover, the companies cite statistics that only 21.5 percent of drugs that enter human tests ever make it to market, so they must recoup their costs on the therapies that do.
出售公司的最新专利产品，专业空气过滤器（100%可回收纸资料、绿色环保！）
Selling our company's newly patent product - Pro Air Filter (100% recyclable paper material, Green for environment! )
出售公司的最新专利产品，专业空气过滤器（100%可回收纸资料、绿色环保！）
Selling our company's newly patent product - Pro Air Filter (100% recyclable paper material, Green for environment! )
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