交叉

摘要目的：研究一种平衡型氨基酸透析液，探讨其对维持性血透患者血游离氨基酸含量的影响。

cross-over design

Cross-over study

cross-over fault base measurement【测】

cross-over network for loud-speakers

cross-over network for loudspeakers

cross-over frequency【通信】

cross-over filter

cross-over network