What is the purpose of the OSPF router ID in a OR/BOR election?（）
A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
B. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
C. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
D. It is used to determine which interfaces will send Hello packets to neighboring OSPF router
油浸式变压器（电抗器）精益化评价细则要求：采用排油注氮保护装置的变压器应采用具有联动功能的（）的气体继电器，排油注氮装置应满足启动功率、线圈功率、动作逻辑关系要求。
A. 单浮球结构
B. 双浮球结构
C. 挡板结构
D. 三浮球结构
关联还款可以通过何种方式进行申请（）。
A. 填写申请表时注明
B. 客服电话申请
C. 银行柜台申请
遮光防护镜的作用是防止（）对眼睛的损害。
A. 阳光
B. 电弧光
C. 红外线
D. 紫外线
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