dimple的过去式 dimple的过去式是什么

1. a chad that has been punched or dimpled but all four corners are still attached
2. any slight depression in a surface;

   "there are approximately 336 dimples on a golf ball"
   

3. a small natural hollow in the cheek or chin;

   "His dimple appeared whenever he smiled"
   

1. mark with, or as if with, dimples;

   "drops dimpled the smooth stream"
   

2. produce dimples while smiling;

   "The child dimpled up to the adults"
   

1. 酒窝：浇口痕迹小,开模时浇口可自动拉断,有利于自动化操作,如(图七)所示.就薄壁塑件而言,浇口附近剪切速率(Shear Rate)过高,残 余应力高,容易开裂,可局部增加浇口处塑件壁厚,如上图所示,以圆弧 R 形 成酒窝(Dimple)状过渡,以行改善.

2. 凹(痕)：在表面加上凹痕(Dimple)的球问世后,一夜之间击球距离增加15码而大受青睐. 目前则用Surlyn(杜邦公司发明的一种工程塑胶)合成材质为主,使球质更趋完美.

3. dimple

3. 凹陷：下游SMT对此等BGA或CSP之锡膏焊接已可顺利施工,只要不造成盲孔填平的中空虚洞(Voids),即使铜面些微凹陷(Dimple)对于要求较严封载用载板(Substrates)说来,也已无可厚非瑕不掩瑜.

• dimple spring洼处泉

• The gentle waters gently part In dimples round the prow.

  出自：Southey

• The modern golf ball has 360 dimples.

  出自：S. B. Flexner