并不断加以完善
And constantly improve it
以上为机器翻译结果，长、整句建议使用 人工翻译 。
英国最先确立了该种诉讼形式，美国随后引入该种诉讼形式并不断加以完善。
Britain established this kind of lawsuit form at first, the US has introduced this kind of lawsuit form afterward and consummated unceasingly.
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