The gravity model explicitly relates flows between zones to interzonal impedance to travel.
重力模型明确
通过地区间阻抗来将分布量和小区联系起来。
行；步行；行进；[口]交往行；经过行；游历；漫游
单程陆上
行，也指水上或空中行。途中有停留游览点，距离可长可
，
各异周游或巡行。行行为而不指某次具体行，多指到远方作长期行，不强调直接地，单、复数均可用。较暂行。行，尤指海上行，也可指空中行。时期娱乐性游玩，也可指乘火车或轮船往返特定景点远足游。远征或探
。
指乘船游览并在多处停靠。行;行;行;行者;地, 终点;行经验;行计划，行程表;行推销；四出兜销行社；游服务游行；空中行行社；行代理人，行代办人行行，宇宙航行行游保
；行保行，时空之行游需求；运需求费用The gravity model explicitly relates flows between zones to interzonal impedance to travel.
重力模型明确通过地区间阻抗来将分布量和小区联系起来。
It is expensive to travel by plane.
坐飞机行很费钱。
There may be travel expense, as well.
可能还有途费用。
He reacted ecstatically to my plan to travel to Africa.
他对我去非洲行计划表现出极大兴趣。
The prince travelled incognito to avoid crowds and ceremonies.
王子微服行以避开人群及避免欢迎仪式。
She resented having the child foisted on her while the parents went travelling abroad.
她对孩子父母出国行卻硬
她来照看孩子这事很反感。
Early experiments with military rockets prepared the ground for space travel.
早期军用火箭试验为太空飞行奠定了基础。
This preferential ticket entitles you to travel first class.
"凭这张优惠票,你可以坐头等舱行。"
They travel to the nearest town on Saturdays for shopping or on Sundays for church.
他们在星期六到最近镇上去购物,星期日去教堂。
One of his quirks is that he refuses to travel by train.
他怪癖之一是不愿乘火车行。
The cost of the ticket is proportionate to the distance you travel.
票价和行距离是成比例。
We're planning to travel round the globe.
我们正计划做一次环球行。
He received reimbursement for his travel expenses.
由于出差花费，他可以得到公司补偿。
We’ll reimburse you for your travelling expenses.
我们将付还你费。
He recouped his travelling expenses from his employers.
他向老板报销了他费。
Many of the city’s populace travel to work by subway or bus.
许多城市平民都是坐地铁或公共汽车上下班。
They advised the government not to issue him a passport to travel abroad.
他们奉劝政府不给他发护照出国游。
Citizens of the EU can travel without restriction within the EU.
欧盟公民在欧盟境内可以不受限制地出入各国。
New high-speed trains are pointing the way to a new age of European travel.
新高速火车引领了欧洲行新时代。
It once seemed inconceivable to everyone that men should travel to the moon.
"人们一度认为,人飞上月球似乎是不可想象。"
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false
