简述拼接比较。
参考答案:
将印文通过电脑分割,观察两者分割处能够完全重合。
There are two rooms on the first floor, _____ is used as a guest room .
A.a smaller of which
B.a smaller of them
C.of which the smaller
D.the smaller of them
现在我国使用的电气技术中文字符号标准是1987的标准GB 7159—87《电气技术中的文字符号制订通则》,代替GB 315—64。