说明原理

【计】 principle of specification

说明的英语翻译：

explain; narrate; account for; illustrate; make out; say; show; specify; state
directions; explanation
【计】 DCL; declaration; elucidata; explanatory notes
【化】 specification; specify
【经】 explanation; explanatory note; justification

原理的英语翻译：

elements; philosophy; principium; principle; theory
【化】 principle
【医】 mechanism; principle; rationale
【经】 ground work; principle