Scientists use these changes in ocean color to estimate chlorophyll concentration and the biomass of phytoplankton in the ocean.

科学家利用海洋颜色的变化来估计叶绿素含量以及海洋浮游植物的生物量。

youdao

Their methods do not attempt to estimate the actual biomass(the amount of living biological matter) of fish species in particular parts of the ocean,but rather changes in that biomass over time.

他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。

youdao

Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.

他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。

youdao

For the record, we at TrimTabs track daily Treasury collections of withheld income and employment taxes and adjust for changes in tax rates to estimate real time wages and salaries.

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Note that while the chart shows a slight earnings increase in the first quarter of 1.4% due to changes in the companies in the index the current estimate is for a (0.7%) decline.

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The techniques used by Bloomberg to estimate changes in dividend payments were 85% successful in identifying companies that will soon initiate or raise their dividend in 2009 with a recent success in calling the initiation of a dividend by Starbucks.

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