1) pump knock
泵敲击
2) Drum on/upon
敲打，敲击
3) impact
[英]['impækt] [美]['ɪm,pækt]
敲击
1.
In order to find out quick eggshell crack detection nondestructively for on-line application, frequency responses of an egg excited with a light mechanical impact at different locations on the eggshell were studied.
结果表明:敲击赤道不同的部位,完好鸡蛋各点的特征响应频率十分接近,而壳裂鸡蛋差别较大。
5) strike
[英][straɪk] [美][straɪk]
敲，击
6) apparent rapped density (ARD)
敲击密度
补充资料：敲打
1.敲击，击打。 2.指拷打。 3.以言语相讥讽。 4.指批评。 5.旧指民间吹鼓手中专司打击乐器的乐工。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条