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轴承合金通常用于作滑动轴承的（）。
A、轴瓦
B、轴承衬
C、含油轴瓦
D、轴承座

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(Single choice question) Given a source domain DS and learning task TS, and a target domain DT and learning task TT, Transfer Learning aims to help improve the learning of the target predictive function f(•) in DT using the knowledge in DS and TS. ()
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Olympic success culminated in the grand spectacle of Beijing's 2008 Olympic Games. A.
opening scene B.
live concert C.
impressive performance D.
public exhibition