Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.

然后采用GC/MS对各个馏份进行定性、定量分析，考察了主要物质在不同温度区间的分布情况。

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However using light to find one's own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene.

然而，利用光来找到自己的方向极大地需要更多的能量，因为眼睛必须检测从场景的每个部分反射的光的极小部分。

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Each year, the fund distributes a fraction of its profits, averaged over five years, to every resident.

五年来，这个基金一直把部分利润平均分配给每个居民。

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In a statement, the commission said it was aware the awards were only a small fraction of what each side had demanded of the other.

VOA: standard.2009.08.20

The amount produced each year is a fraction of the outstanding supply.

FORBES: Fact and Comment

Even under optimistic projections, heavily subsidized wind and solar would each amount to a tiny fraction of global energy by 2030 and thus cannot be the main answer to energy-security or environmental problems.

WSJ: Michael Boskin: Washington's Knack for Picking Losers

Each year, the fund distributes a fraction of its profits, averaged over five years, to every resident.

ECONOMIST: Gulf economies