They are equivalent systems.

他们是对等的系统。

youdao

The 9-9-9 Plan is a member of what I call the family of taxonomically equivalent tax systems, which define the tax base in an economically proper manner, albeit in different forms, and minimize the deadweight-loss tax burden on the economy.

FORBES: Herman Cain's Tax Plan Is a Winner, But Here's Your Exploding Cigar

Yacktman owns 19.998 million Cisco Systems shares, equivalent to 6.1% of his portfolio.

FORBES: Donald Yacktman's Focused Fund -- Top Holdings Overview

Zvezda's humming systems produce 75 decibels, equivalent to the traffic on a busy street.

ECONOMIST: The International Space Station: Milestone or millstone? | The