In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（） [" trunking"," squelching"," nodal bypass"," bridge and roll"," node failure insertio"]
内燃机按（）分类，可分为往复活塞式内燃机、旋转活塞式内燃机、或轮式内燃机等。 ["基本工作原理","所用燃料","工作循环冲程数","旋转活塞类型"]
简述计算机硬件与软件的关系。
When you use the Oracle Net Configuration Assistant to specify the naming method， which file is updated？（） ["INIT.ORA","SQLNET.ORA","LISTENER.ORA","TNSNAMES.ORA"]
根据JG135-2000《杂物电梯》规定，机房或机罩内就在（）安装一个停止开关，用来停止电梯并使电梯保持停止状态，并应保证该开关的停止位置是不会弄错的，该开关是安全触点。 ["靠近入口处","靠近电动机","靠近控制屏"]
1897年，严复、夏曾佑在《本馆附印说部缘起》一文中提出，应该利用（）来启发民的觉悟。
