開かい発はつ経けい緯い

noun

features; specifications

Refers to the features or specifications of a product, often in technical or business contexts.

• 新しん製せい品ひんの開かい発はつ経けい緯いをまとめた資し料りょうをご確かく認にんください。

  Please check the document summarizing the features of the new product.

noun

development chronology; development history

Describes the timeline or background of how something was developed.

• このプロジェクトの開かい発はつ経けい緯いを年ねん表ぴょうにまとめました。

  I compiled the development chronology of this project into a timeline.