查询词典 tread on air

He need not mail it by air,just by sea.

成熟的爱情是：我需要你，因为我爱你。

E.g.In other words I don't have to send it by air mail, right?

换句话说我不必把它航空邮寄了，对吗？

I don't worry about it at all. He can mail it by air or by sea.

我不着急。他不必用航空寄来，海运过来就可以。

I'd like to send this package to Hong Kong. How much is this by air mail?

我想寄这个包裹到香港，这个用航空邮寄要多少钱？

Please send this by air mail to China.

请用航空寄到中国。

I sent it by air mail.

我用航空邮件邮寄的。

Here's an air map.

这是一张航空地图。

If there is no air map, no direction and goals, we also I do not know can successfully return, Thank you very much!

要是没有航空图，没有了方向和目标，我们还不知能不能顺利返航，太感谢您了！

China Air Pollution Map.

中国空气污染地图。

Gulf of Aden region, our army did not air map, the State Civil Aviation Administration should have?

亚丁湾地区，我军没航空图，国家民航总局应该有？

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。