The new system will be compatible with existing equipment.

新的系统将与现有的设备相互兼容。

《牛津词典》

The new system interfaces with existing telephone equipment.

新系统与现有的电话设备相连接。

《牛津词典》

With existing medical knowledge, two thirds of the blind should not have to suffer.

根据现有的医学知识，三分之二的盲人不用再遭受失明的痛苦。

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They say the government should require drug makers to state, in their labeling information, how new medications compare with existing ones.

VOA: special.2009.08.14

It is an aspect of a text, the way in which it does communicate in other words, which has to be understood as existing in a dynamic, functional relationship with those aspects of the text in which literariness is dominant.

它是文本的一部分，它有生动的，交际功能，但是从文学根本上来说,但诗化语言支配着它。

耶鲁公开课 - 文学理论导论课程节选

You really get a much better skillset by wrestling with actual existing sites

努力研究这些真正存在的网站更能练好你的基本功。

迷上网页设计 - SpeakingMax英语口语达人

First, these tools are labor intensive and do not integrate with existing security infrastructure.

FORBES: A New Approach To Protect Against Cyber Attacks

Of the contracts Ledsinger inked in the last year, 55% were with existing Choice franchisees.

FORBES: The Motelier

His creations are often born out of his own frustrations with existing products and services.

FORBES: Magazine Article