arithmetic progression[数] 算术级数;等差级数;等值等差数列
steady progression稳定发展;稳定进步
weld progression焊接进程
geometrical progression几何级数;等比级数;随顺着几何学比例;几何等比级数
backward progression后退步态;翻译;后退
Disease Progression疾病恶化;疾病进展
progression agent增效剂;改进剂
increasing progression递增级数
CT-T stage was the independent factor for the progression-free survival.
CT-T分期是影响无进展生存的独立预后因素。
Metastasis is one of the features of cancer. It is an important stage of tumor progression.
肿瘤转移是恶性肿瘤生物学特征之一，是恶性肿瘤演进过程中的危险阶段。
参考来源 - 肺癌转移与中医脏象理论相关性研究N-COUNT（可数名词） A progression is a gradual development from one state to another. (从一状态到另一状态的) 逐步发展
Both drugs slow the progression of HIV, but neither cures the disease.
两种药都能减缓艾滋病病毒的发展，但都不能治愈艾滋病。