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【判断题】
KNN 较大的 k 值误差较大且易产生过拟合;较小的 k 值模型简单,预测发生错误。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】If no gaskets are used in the piping joints of a Freon system, the joints must be（）
A.
finished joints
B.
welded joints
C.
ground joints
D.
soldered joints
【单选题】According to the article, why should building joints be agile?
A.
Such joints are cheap.
B.
Such joints make buildings flexible and moveable.
C.
Such joints are concrete frames.
D.
Such joints make the buildings rigid.
【单选题】U-joints in the shaft accommodate any angular variations between the steering shaft and the______ .
A.
reservoir
B.
drag link
C.
pitman arm
D.
steering gear input shaft
【单选题】In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalign...
A.
The marine bellows joints are attached in the accommodation only
B.
The bellows joints should be attached to anchors
C.
The associated piping should be thrown into the water like as anchors
D.
The connecting piping with the joints should be fixed firmly
【单选题】The metatarsophalangeal joints are which type of synovial joints?
A.
saddle joints
B.
hinge joints
C.
condyloid joints
D.
pivot joints
E.
spheroidal joints
【多选题】Which belong to the joints of the vertebral arch ( )
A.
Ligamenta flava
B.
Interspinal ligaments
C.
Intertransverse ligaments
D.
Intervertebral disc
E.
Zygapophysial joints
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