1) tunnel control network
隧道控制网
1.
Based on the observations of the baseline vector measured by GPS technology, a formula of accuracy estimation of lateral piercing for GPS tunnel control networks was deduced.
以GPS测量的基线向量为观测量,推导出适合GPS隧道控制网横向贯通精度的计算式。
2) Tunnel GPS control network
隧道GPS控制网
3) tunnel control
隧道控制
1.
According to the auther s practice of designing freeway control systems and tunnel control systems, this paper puts forward the designing idea composition and work principle of tunnel automatic control systems and inquires the general problems about tunnel control.
根据作者进行高速公路控制系统和隧道控制系统设计的经验，给出了隧道自动控制系统的设计思想、结构和工作原理，就隧道控制的一般性问题进行了探讨。
4) tunnel control survey
隧道控制测量
1.
The result of tunnel control surveying indicates that short-side length is so precise as to be less than 5 mm,and all other indices of precision meet with the specifications of surveying and the project due to the scientific scheming of observation and data processing,despite the use of such general observational co.
隧道控制测量结果表明:尽管采用单频GPS接收机和广播星历等一般测量条件,但由于观测及数据处理方案科学合理,短边边长精度仍能达到5 mm以内,且其它各项精度指标均能满足规范和工程要求。
6) Tunnel Ventilation Control
隧道通风控制
1.
The background of this thesis is Wuhan the Long River Cross-River Tunnel Ventilation Control project.
本文以武汉长江越江隧道通风控制工程为背景，研究在交通车流变化情况下，根据隧道污染物情况以及预报未来通风需要，控制隧道通风的策略。
补充资料：城域网(见计算机网络)
城域网(见计算机网络)
metropolitan area network, MAN
ehengyuwQng城域网(metropolitan area netwo次，MAN)分布范围可覆盖几个街区到整个城市的计算机网络。见计算机网络。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条