Danl webster looked at the distracted man, all gray and shaking in the firelight, and laid a hand on his shoulder . 丹尼尔韦伯斯特望着那心急如焚的人，在炉火映照下，脸色灰败，身子发抖，于是便把手按在他的肩膀上。
2.
Danl webster looked at the distracted man , all gray and shaking in the firelight , and laid a hand on his shoulder 丹尼尔?韦伯斯特望着那心急如焚的人，在炉火映照下，脸色灰败，身子发抖，于是便把手按在他的肩膀上。
3.
This paper compare and analyze the mechanic model of damper established , evaluate the advantages and disadvantages of the models , and provide the revised model - bingham and revised model - danl , and have experiment to test its mechanic performance and evaluate the error of mr damper 本文通过对现有的著名的阻尼器的力学模型进行了比较分析，比较了各模型的优缺点，提出了修正的bingham模型和修正的dahl模型，并进行了mr阻力器力学实验和误差评价。
