Describing the problem of two-way access; seting up and analysing a mathematical model in view of two-way (access) fixed pricing problems.

对双向接入问题进行了描述，针对双向接入定价问题建立了数学模型并进行了分析。

youdao

This has two levels, the subterranean one being narrower and primarily an access-way for maintenance.

这里有六个区域，沿主干道分布的是保温管道，人们穿行其间，所有公共线路和管道运行也在其中。 这里有两层，地下的很窄，是用来维修的通道。

youdao

Intruders may be after your systems for one of two reasons: to gain access to information that they should not have, or to alter the behavior of a system in some way.

入侵者可能为了两个原因之一而入侵您的系统：为了获取他们本不应该拥有的信息，或者为了以某种方式改变系统的正常运行状况。

youdao

To win, it has to have a great television experience, great access to the Internet, and great two-way features like email and chat.

FORBES: Inside Google TV

Louisiana's--and America's--energy logistics depend heavily on humble Louisiana Highway 1, which is the only land-based way to access the coastal port and runs less than two feet above water under normal conditions.

FORBES: Gustav Rides Louisana's Energy Highway

The PRADA phone by LG 1.0 was the world's first touchscreen mobile phone, and the 2.0 provided an innovative mobile experience through its unique watch with Link technology, which allowed for easy access to caller ID, SMS text messages, call history, call block and two-way alarm notification.

ENGADGET: LG, Prada officially renew phone partnership, confirm v3.0 for early 2012