战时中立
参考答案:
是指第三国对各交战国所采取的并为交战国所承认的公正不偏的态度,这种态度产生了公正不偏的国家与交战国之间的权利和义务。
____my brother ____ my sister is able to use a computer. However, I can.
A.Neither ---- nor
B.Not only ---- but also
C.Either ---- or
D.Both---- and
整流子铜片之间的云母片为什么要割低?