题目内容：
以下选项中（）属于声光波导开关的缺点。
A.开关速度慢
B.不能扩展
C.插入损耗高
D.消光比低
参考答案：
选择题：以下选项中（）属于声光波导开关的缺点。
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
- 查看权限：VIP
（）反映光开关的交换能力。
（）反映光开关的交换能力。这是一个关于矩阵 粒度 光通信器件及系统的相关问题，下面我们来看
According to the passage, which statement is true in the ori
According to the passage, which statement is true in the original Taoist texts?这是一个关于英语漫话中国文化的相关问题，下面我们来看
Generally speaking, the Chinese cooking，lays emphasis on the
Generally speaking, the Chinese cooking，lays emphasis on the complete presence of color, aroma and taste.这是一个关于英语漫话中国文化的
Appraisement of tea leaf is based on four principles: appear
Appraisement of tea leaf is based on four principles: appearance of the infused leaf, color of the liquid, aroma and tas
The most prominent activity of the Lantern Festival is the d
The most prominent activity of the Lantern Festival is the display of all types of beautiful lanterns.这是一个关于英语漫话中国文化的相关问