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COURTESY FACEBOOK/TODD JAMES
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。体育直播是该领域的重要参考
Idempotence: merging a state with itself doesn’t change the state; A ∨ A = A. If Alice merges her own state with itself, the result will be the same state she started with.
The other camera lens is a 100x optical telephoto camera module that requires a Wi-Fi connection to the phone. Doing so transmits the images from the camera to the phone's viewfinder. When I tested it on the show floor, there was a decent amount of lag. That might have been because inadequate Wi-Fi signals on the show floor -- or it could be a poor implementation. It's hard to tell.，详情可参考体育直播