実じつ試し験けん手しゅ段だん

• 試し験けん

  試験 is a general term for test or examination; 実試験手段 specifically refers to a practical testing tool or method in computing.

• テスト

  テスト is a common loanword for test; 実試験手段 is a more formal, technical term used in computing contexts.

Compound of 実 (actual), 試験 (test), and 手段 (means/method). The exact derivation is uncertain; it is a technical term likely formed within computing contexts.