Calculation and plotting methods of BF operation line without coal injection are modified, and calculation formulae of BF operation line with oxygen enrichment and high PCI rate are deduced.

作者对不喷煤时高炉操作线的计算和绘制方法进行修正，推导出富氧大喷煤时高炉操作线的计算公式。

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This strategy involves plotting two bands around a moving average, staggered by a specific percentage rate.

这一策略在移动平均线附近绘制出两个波段，用一个特定的百分率错列出来。

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Back in 1975, a graph plotting fertility rate against the HDI fell as the HDI rose.

1975年的图表显示，生育率的曲线随着HDI上升而降低。

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Another smartphone application, Influ, launched earlier this year in the US, asks users to rate the strength of their symptoms on a red dial, before plotting their position on the map so that other app users can avoid them.

BBC: Can crowdsourcing beat the flu?