记录密度 meaning in English

bpi
packing density
record density
recording density
writing density

Tape recording density
带记录密度
In this paper , the various growth techniques , applications , and the uptodate progresses in the research of zno are reviewed . highly c - axis oriented zno thin films are synthesized by nebulized vapor deposition technique
另外， zno的辐射波长具有比gan的蓝光发射更短，对增加光记录密度具有重要意义；本论文综述了zno薄膜的各种生长技术及其原理，并概括了zno薄膜研究的最新进展。