（）的合理利用率是通过评估本地光缆资源的年平均增长率情况来确定。
参考答案：光缆纤芯
As a film star she was a success, but as a wife she was _____ failure, so their marriage ended in _____ failure. [ ]
A. /; /
B. /; a
C. a; a
D. a; /
层绞式缆芯（ADSS光缆）的组成和绞合方式是什么？
