Since traditional TCP timer is fundamentally inappropriate for ad hoc network with random abrupt round-trip time(RTT),a new TCP timing scheme based on rtt_active timer was proposed.
针对传统的TCP定时器不适用于具有动态随机变化往返时间的ad hoc网络,提出了一种基于rtt_active定时器的新的TCP定时方案。
Back and forth
来回,往返,来来往往地
shuttle train
[美]短程往返火车
One way or round way?
单程还是往返程? ?
Would you want one way or round trip?
是单程的还是往返的？
He that go to the contrary way , must go over It twice .
走错方向，徒劳往返。
The price is 20 yuan for a return ticket.
往返票价是二十元。
I'd like a round-trip ticket, please.
我要一张往返车票。
That is a return ticket.
那是一张往返车票。
The bowers where Lucy played;
露西留连往返的亭榭，
commute between London and New York
定期往返于伦敦纽约间
I'll take the round-trip ticket, please.
我要买往返的车票。
I've booked return tickets.
我订的是往返机票。
traveling between Great Britain and France.
往返于英法两国之间。
How long does it take to go there and back?
往返需要多少时间?
Can I go there and back in one day?
一天之内我能往返吗？
A: OK. Give me a round trip ticket.
甲：好，给我一张往返票。
A round trip ticket saves you aboutpercent of the fare
往返票为您节约%的票价
"Shuttle, Rotation Injection Heading Machine"
往返、旋转式注塑打头机