noun
In software development, the manual review of code or design documents by a developer, typically before formal testing.
プログラマーはコードを実行する前に机上検査を行った。
The programmer performed a desk check before running the code.
Compound of 机上 (desktop, on the desk) and 検査 (inspection, check). The term is a direct translation of the English 'desk checking' used in software engineering.