The effects of constant and trace elements on the reflection rate of finished aluminium plates were discussed.

探明了各常量及微量元素含量对抛光铝材反射率的影响。

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The measurement error of phase measurement profilometry caused by pixel size of detector under step distribution of reflection rate is studied through theoretical analysis and simulation.

根据生产实践提出一种典型交点尺寸的测量方法 ，介绍了该方法的数学模型、测量步骤、误差分析及计算程序。

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Single PVC layer be improved by special technologies and suface treatment can reduce the reflection of the light, which means the rate of light penetration can be increased.

单层PVC经过特殊改性工艺及表面处理工艺加工而成，可大大减少表面光线反射从而极大提高背投幕布的透光率。

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The purity of the supply and demand equation in the muni market and its resulting reflection on interest rate levels is where the wheat will be separated from the chaff and what investors need to embrace as their new bellwether.

FORBES: Move Over Treasuries, Muni Bonds Are The New Bellwether

The unemployment rate is a reflection of those seeking work over the past four weeks divided by the total workforce.

FORBES: How to Get the Economy Growing Again

Net interest margin declined to 3.66%, a reflection of the low interest rate environment being orchestrated by the Federal Reserve thanks to its asset purchase programs over the past several years aimed at greasing the skids for an economic recovery.

FORBES: Record Quarter For Wells Fargo, Rocky Start For Stock