Reference to the "feedback" component needs to be added in the HTML markup to display any validation errors if they exist, as shown in Listing 12.

对 "feedback" 组件的引用也需要添加到 HTML 标记以显示可能存在的验证错误，如清单 12 所示。

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So the structural component broke out higher, which triggered the feedback loop, so all the short sellers had to come out, and buyers were coming in.

FORBES: Are You Afraid to Trade?

Though the software component still needs to be built, the feedback from the forceplate could sense if a patient is about to lose his or her balance and compensate to keep the subject upright.

ENGADGET: vi-RABT improves ankle rehabilitation with virtual reality and robotics