• 如果关注食物链顶端和底端的方法同时应用全球性数据上,那么,科学家们得出结论是,过去10年的工业更偏向捕食低食物链鱼类,而对高食物链等级的鱼类而言,它们食物总量减少将近一半,倘若按照食物链理论的逻辑,现存高食物链等级的鱼类总数增加了而不是减少了,因此,不能够简单认为,工业“捕渔”导致鱼类总体的数量减少。

    Applying both methods to worldwide data, the scientists say industrial fishing over the past decades has not simply worked its way downwards from the top of the food chain -- it has gone upwards, too.

    youdao

  • 完成这项任务,我们取得一个时间间隔中使用总体CPU时间,然后用该时间间隔15分钟活动用户总数除以

    To do this, we will take the total CPU used in an interval and divide it by the total active 15-minutes users in that interval.

    youdao

  • 方法结果: 基于2002-2004英国实践研究据库GPRD总体队列研究, 其中包括首次AMI生存90病人

    Methods and results: Population-based, cohort study, from 2002 through 2004 in the United Kingdom General Practice Research Database (GPRD), involving patients surviving 90 days after their first AMI.

    youdao

  • ONC必须克服2015年认证规则总体复杂性,为此要减少标准以及所包含标准功能的数量。

    ONC must address the overall complexity of the 2015 Edition Certification Rule by reducing the total number of criterion, as well as the standards and functionalities included.

    youdao

  • 总体来看事故总数2005年111起下降到了77起。

    Overall, the total number of accidents fell to 77 from 111 in 2005.

    youdao

  • 结果表明烟粉若虫在夏大豆植株上总体分布集中上部,占总数的83.1%,中部上部之间差异显著

    The result showed that 83.1% of whitefly nymphs were present on top and middle leaves and there was no marked difference between middle and top leaves;

    youdao

  • 结果表明烟粉若虫在夏大豆植株上总体分布集中上部,占总数的83.1%,中部上部之间差异显著

    The result showed that 83.1% of whitefly nymphs were present on top and middle leaves and there was no marked difference between middle and top leaves;

    youdao

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