yuán lái chéng shú ， jiù shì zài yě méi yǒu yǒng qì qù bù guǎn bù gù ， qīng jìn suǒ yǒu de qù ài yí gè rén le 。 Misfortunes tell us what fortune is如果没有人爱我们，我们也就不会再爱自己了。 bǎ xīn xiōng fàng kuān xiē ， bǎ ...

Abstract: This work investigates the optimal cost function composition for human gait at different walking speeds. Kinematic and kinetic data for walking at four walking speeds were collected from ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...