基床表层以下过渡段级配碎石填层应与相邻的路堤及锥体按（）同时施工，并将过渡段与连接路堤的碾压面按大致相同的水平分层高度同步填筑并均匀压实。
参考答案：一整体
A．E=，m=0
B．E=，m=
C．E=，m=0
D．E=，m=
For（1） service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid having to choose a new （2） for every packet sent. Instead,when a connection is established, a route from the （3）machine to the destination machine ischosen as part of the connection setup and stored in tables inside the（4）That route is used forall traffic flowing over the connection, exactly the same way that the telephone system works.When the connection is released, the virtual circuit is also terminated. With connection-orientedservice, each packet carries an （5）telling which virtual circuit it belongs to.
（4）是（）
A.connections
B.resources
C.bridges
D.routers
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，m=0
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