癫痫发作的分类是根据()
A.脑电图特点
B.临床表现
C.病因及发病机制
D.影响因素
E.临床表现和脑电图特点
参考答案:E
邮资票品出库时,发货单照流转的各个环节的经办人均须在发货单照上签字,以明确责任,方便核查。
The “grip” of a joint represents the().
A.thickness of the connected members
B.diameter of the head
C.entire length of the rivet
D.diameter of the shank