Based on analyzing common low noise and fast photodetectors, PIN photodiode is selected to detect He-Ne laser longitudinal mode pulse.

在分析常用低噪声快速光电探测器的基础上，选择pin光电二极管来探测氦氖激光纵模脉冲。

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Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.

针对开关动态对节点电压采样值的干扰，引入带通滤波，滤除高频动态的同时避免了常规低频滤波的延时。

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Q345 steel, a common low carbon alloy steel, was widely used in industries. The fracture toughness of Q345 steel is an important parameter for measuring cracks in engineering.

Q345是广泛使用的一种普通低合金钢，其断裂韧性是工程中进行裂纹检测的重要参数。

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Plants with names like coast fiddleneck, common cocklebur,low larkspur and common groundsel all present risks to people or animals.

VOA: special.2009.08.25

Despite a $1 trillion rescue plan approved by eurozone nations to give low cost loans to member countries, the continuing weakness of Europe's common currency has driven many of the world's leading stock markets to their lowest levels this year.

VOA: standard.2010.05.21

The terms McDonalds, wings, ham and heartburn were popular in high-obesity areas, while words such as cafe, sushi, brewery and banana were more common in low-obesity areas.

CNN: The happiest and saddest states according to Twitter

This is a common problem with low-volume stocks or ETFs.

FORBES: Utilities: A Safe Harbor?

Cash deals in California have become more common in the low-tier housing market, according to First Tuesday, probably due in part to the greater difficulty borrowers have had in getting a mortgage.

FORBES: Homebuilder Stocks Losing On New Home Sales Data