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In order to diminish the influence of underground tunneling on ground subsidence and usual traffic flow, shield tunneling method is generally used to drive running tunnels in subway lines in Chinese cities in comparison with drill and blast method [3].
Fig. 2 Transection A-A of shield tunnels (Unit: m) Since the two tunnels must cross an urban river which is now under normal service, so the safety of both shield tunneling and river service becomes the key task to be solved.
The 4th international Conference on Digital Manufacturing & Automation, 2013, IEEE computer society, pp:457-460
The 4th International Conference on Digital Manufacturing & Automation, 2013, IEEE computer society, pp:1299-1301
Chinese Journal of Underground Space and Engineering.Vol.9,No.4 pp0884-0895, 2013

The third requirement aims at the safety of the tunnel-self and with respect to that, the first two requirements emphasize the safety during the construction of the tunnel.
Lots of studies on Vl has been done by many international and domestic experts.
Kack: Canadian Geotechnical Journal.
Rowe: subsidence due to tunnelling: Canadian Geotechnical Journal.
Clough: Journal of Geotechnical.

The mathematical model of motor vehicle ignition system noise is (1) ——Value in the field, probability is 50％（） B——Measuring receiver passband (kHz) C——Vehicle frequency (trains per min) R——The distance between the receiver and the road (m) F——frequency (Hz) The ignition system noise interference field strength is related to frequency traffic, vehicle frequency increases, the noise field intensity increases[7].
References [1] Wang Ershen,Electromagnetic compatibility design of terminal system for ship based on GPRS and GPS,Chinese Journal of Scientific Instrument,2008, 29(3) [2] RAJESHWAR K,SATAV R S M,SARMA V V R.
EMI controlling in a rugged launch computer[J].Proceedings of International Symposium on EMC,2005.721-725
EMC assurance and safety critical apparatus in a railway environment[A].2003.429-432 [4] ZHOU Qi,XIE Yong-jun,CHEN zheng.
Prediction of equipment-to-equipment coupling through antennas mounted on an aircraft[J].Journal of Electromagnetic Waves and Applications,2007,(05):653-663.doi:10.1163/156939307780667300

[2]Xu Li,Wei Shu,Minglu Li,Hong-Yu Huang,Pei-En Luo,Min-You Wu,Performance Evaluation of Vehicle-based Mobile Sensor Networks for Traffic Monitoring,IEEE Transaction on Vehicular Technology,Volume 58,Issue 4,2009:1647-1653
Journal of China Universities of Posts and Telecommunications.2005,12(4):17~20 [6] Mesbah,A.
Journal of Systems and Software,2008,81(12):2194-2197 [7] Kwok, S.K.; Tsang, Albert H.
Proceedings of the 17th World Congress, International Federation of Automatic Control, IFAC2008, 2008,34(4):98-102 [8] Li, Na; Tan, Jie; Zhu, Zhiyuan; Monitor and control system with RFID technology in discrete manufacturing line .
Proceedings of RFID-Technology and Applications (RFID-TA), 2010 IEEE International Conference ,2010 23(3):71 – 76 [9]Austria microsystems.

As an important part of the urban freeway construction, greening can not only beautify and clean the environment, but also is one of the important conditions of the traffic safety.
Jing: International Review on Computers and Software Vol.7 (2012), p. 353 [2] I.
Neilson: Ultra Urban Green Street Design Criteria in Low Impact Development International Conference (LID) 2010, San Francisco, California, USA, 11-14 April, 2010
Qiaojun: Journal of Transportation Systems Engineering and Information Technology Vol.3 (2006), p. 93 [4] C.L.

On one hand, climate change is exactly the major factor for every country to implement “the economy of carbon reduction” with the huge impact on the relevant industries, tax income and international trading policies for every country.
Organization The challenge of a new era is the primary factor for every country to promote “low carbon economy”. 2.1 The Influence on Environment Exerted by Mounting Temperatures The influences caused by global warming include melting polar ice plains, rising sea levels, flooding low-lying coastal land, impacting lowland countries and coastal prosperous areas of numerous countries, causing violent changes of global climate, resulting in abnormal pouring rain, drought and desert expansion with huge damage to ecosystems, human societal and economical activities and life safety. 2.2 Regulating the Development Strategies Suitable for the “Low Carbon Era” Aside from the changes happening to the life around the world, global warming also threats commercial activities.
In view of resource application rates, how to promote energy efficiency and use sustainable urban plans such as improvement of infrastructure like traffic systems have become a key point.
policies become more important. 4.3 Low Carbon Industrial Strategies Are Exactly the Best Locations for Low Carbon Commercial Organizations In March 2009, the Department for Business, Enterprise and Regulatory Reform and the Department of Energy and Climate Change proposed a brief report titled “Low Carbon Industrial Strategy: A vision” with its emphasis on 4 basic stances when UK promoted low carbon industrial strategies: 1.Energy efficiency can promote operators, consumers and public sectors to save expenditures. 2.Establish the energy infrastructure for UK to step into the low carbon era including renewable energy and smart grids. 3.Promote UK to become a leader in the R&D and production process of low carbon vehicle globally. 4.Ensure UK to regulate the policies relevant to technique capability, procurement, research and development, exemplary projects and practical applications, which make UK become the best locations for low carbon commercial activities and receive the international
Low Carbon Industrial Strategy，A vision, p.2-3 [4] A Jones, C.M., Kaul, GE1, Journal Articles, in: Oil and the Stock Markets.(1996),Finance 5： p.463-491

At present, the international oil production has faced severe energy demand and environmental protection challenges, it is necessary to deal with economic development correctly in order to develop oil industry continuously.
Its advantages are use safety, abundant raw materials, the low price, its disadvantage is less oil absorption.
Seeing from the development trend of international oil pollution treatment, biosurfactants will be valued and play an important role in practical application.
Traffic environment, 2002,23(3), p.8-11
Journal of Northwest University for Nationalities．2008，29(71), p.62-66

The project requires further work in order to depict the practical implementation of the robot model in large scale and to build the ultimate robot model with heavy traffic jump linear foot for the verification of stair climbing.
Kirchner, A Versatile Stair-Climbing Robot for Search and Rescue Applications, Proceedings of the 2008 IEEE International Workshop on Safety, Security and Rescue Robotics Sendai, Japan, (2008) 35-40 [6] A.
Vaidyanathan, Design of a Semi-Autonomous Hybrid Mobility Surf-Zone Robot, 2009 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, Singapore, (2009) 974-979 [7] Z.
Chinese Journal of Mechanical Engineering, 27 (2014) 269-278 [8] T.

For a period of time, it brings people living along the bank great difficulties in the aspect of livelihood, and also arouses the attention of the neighboring Russia and the international world.
After in-depth investigation, evidence collection and analysis by the accidents and incidents survey group of the State Council, "11.13" explosion accident and the Songhua River water pollution incident are affirmed to be especially serious safety production liability accident and water pollution liability incident.[1] The harm of water pollution caused by benzene series fire accident is very strong and it involves more serious consequences.
The emergency command group is mainly responsible for coordinating the relationship of different emergency departments during the accident emergency treatment, making overall arrangements about the whole emergency action, assigning tasks and developing personnel scheduling reasonably, making use of all possible emergency resources efficiently and reasonably, completing the emergency action in the shortest time as far as possible and ensuring the safety of people's lives and property.
Journal of science and technology information of China, 2005 (16) : 69 [3] Dongxi Xu.
Journal of water resources protection, 2006, 22 (2) : 76 ~ 79

Meanwhile, the HOPSCA decentralized construction to reduce the pressure of urban traffic, and to promote changes in the pattern of urban development today.
The art works exhibition should be paid more attention on the safety, that is to prevent collapse, drop of the artworks and other accidents from personal injury.
There are advanced retail shopping centers, international Grade A office, star hotel land high-end residential in the MixC.
This innovation combines sun, nature and leisure and shopping perfectly, it will be the Chengdu first typical sample of “International ecological garden city".[3] Fig.1 Chengdu MixC shopping center facades •Interior space Artworks.
[5] Chiyu Chen:Journal of Huazhong Normal University (Humanities and Social Sciences version)．Vol.6(1991),P.52.In Chinese.