Model CR118 has a Fraction to Decimal Conversion Chart and Trigonometric Ratio Equations etched on the front side.

CR118 模型的正面刻有一个分数到十进制的转换图和三角比公式。

youdao

The flame front structures of the methane/air premixed flames are observed by using OH- PLIF method in the different conditions of equivalence ratio and inlet turbulence intensity.

运用OH-PLIF方法探测了不同燃料系数和出口湍流度下甲烷/空气的锥形预混火焰的火焰前锋结构。

youdao

The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.

结果显示，由于矩形形貌的影响，形成了压差阻力，压差阻力随形貌突起高度或密度的增加而增大，随突起占空比的增加而减小。

youdao

On the property front, the lowest house price to earnings ratio is in North Ayrshire, while Edinburgh and the Highlands have the highest ratio.

BBC: Shetland tops 'Bank of Scotland Quality of Life' list

There are front-panel controls for brightness, color, contrast, tint and aspect ratio.

FORBES: Magazine Article