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(1)What is the computer-vision researchers’ main concern of iPhone X’ s FaceID?
A
They have concerns of the security and convenience of FaceID.
B
They don’ t believe iPhone X’ s FaceID can successfully unlock a phone every time.
C
They have doubts of its technique to overcome variable lighting and subtle change of the user’s face.
D
They are mainly worried about the smartphone’ s accuracy.
正确答案:
B
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