obsolescent

adj.

逐步废弃的；

1. This type of computer is obsolescent.
   这类计算机是快要过时的。
2. Electronic equipment quickly becomes obsolescent.
   电子设备淘汰得很快.

Sociologic Notes on Obsolescent Languages
The Miltenberger Subsystem: Is It Obsolescent?
Ultrastructure of human renal obsolescent glomeruli
Obsolescent Materialized Views in Query Processing of Enterprise Information Systems
Obsolescent materialized views in query processing of enterprise information systems
Mail surveys: obsolescent model or valuable instrument in general practice research?
System, software, and method for managing obsolescent high-technology inventory
A dynamic programming approach to continuous review obsolescent inventory problem. Nav Res Logist
Difficulties in Comparing Outcomes of Low-birthweight Studies because of Obsolescent Test Norms
The rise of case suffixes as discourse markers in Jingulu—a case study of innovation in an obsolescent language