发虚 meaning in Chinese

[摄影学] breezing

This paper lays much emphasis on the research and development of the virtual aircraft instrument system software
本文侧重于对开发虚拟航空仪表系统软件的研究。
“ overnight . . . ” anakin repeated , suddenly feeling weak . his knees began to buckle and the assistant thoughtfully provided a chair for him to sit in
“一晚… … ”阿纳金重复着，突然觉得自己有些发虚。他的膝盖开始发软，那个助手考虑周到地为他搬来把椅子让他坐下。