penny-shaped crack中文什么意思

币形裂纹

扁平形裂缝

• penny:    n. (pl. pence , pe ...
• shape:    n. 1.形状；样子；形态；外形；模 ...
• crack:    vt. 1.使破裂；敲破，敲碎，砸碎 ...

例句与用法

1. Torsional impact response of a penny - shaped crack in a functional graded strip
   功能梯度条硬币型裂纹扭转冲击响应
2. Penny - shape crack
   币状裂纹