【单选题】下列各项中,属于一级科目别称的是( )。
【单选题】请选出facial and image recognition的最佳翻译。
【判断题】在保护手段上,李斯特认为技术壁垒是建立和保护国内工业的主要手段。
【判断题】MIMO使信号通过发射端与接收端的多个天线传送和接收,从而改善通信质量,提高信道容量。
【单选题】What is the difficulty confronting researchers of facial-recognition machines?
A.
No computer is yet able to handle huge datasets of human faces.
B.
There do not exist public databases with sufficient face samples.
C.
There are no appropriate algorithms to process the face samples.
D.
They have trouble converting face datasets into the right format.