They estimate that the global production from all echinoderms is over a tenth (0.1) of a gigatonne of carbon per year --that is, more than a hundred thousand million kilograms.
他们估计，全球每年出自所有棘皮动物的产物超过一亿吨碳，也就是超过一千亿公斤。
2
The average estimate of all 53 analysts is a little over 4.5 million, representing 16% growth from the same quarter last year.
所有53位分析师给出的平均预期略高于450万台，同比增长16%。
3
Commission experts estimate unit sales between 184 and 246 million for all portable audio devices just over the last four years, of which MP3 players range between 124 and 165 million.