| 释义 |
empty hole ˈemptihəul 短语¹⁴⁴⁹⁷²⁺²
基本例句
不装药的炮眼
Hall coefficient depends on electronic concentration and the relative values of empty hole concentrations and their migration rate in the semiconductor.
而霍耳系数取决于半导体材料中电子浓度和空穴浓度的相对大小及其迁移率之比。 cnki
When an entry is deleted, it leaves an empty hole in the file.
删除一个条目时，会在文件内留下一个空洞。 ibm
The thin area has never become an empty hole, however.
臭氧稀薄区域从未变成一个空洞，无论如何。 dictall |