After fluid infusion, myocardial local blood flow increased significantly. The increasing amplitude in RI group was significantly greater than that in AI group.

补液后，心肌局部血流量显著升高，RI组的升高幅度显著大于AI组。

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AI is a group of technologies that help machines to do tasks.

人工智能是帮助机器完成任务的一组技术。

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Chapter 8 describes the victory at a place called Ai, which is near Jericho. Chapter 9 tells the story of the Gibeonites who join the Israelites; they are a local group that seems to join them.

第八章描述了在一个叫艾城的地方所取得的胜利，它靠近耶利亚哥，第九章讲了基遍居民的故事，他们加入了以色列人，他们是加入以色列的当地人。

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By contrast, Ai Media Group Inc.

WSJ: When Girl Scout Cookies Create Turmoil

The Institute of Medicine, a group that uses scientific research to formulate public health policies, currently recommends an Adequate Intake, or AI, rather than a specific daily amount of vitamin D.

CNN: Vitamin D is hot! Here's how to get it