| 1. | Measurement method of environmental vibration of urban area 城市区域环境振动测量方法 |
| 2. | Standard of environmental vibration in urban area 城市区域环境振动标准 |
| 3. | Evaluation method of the environmental vibration effects caused by dynamic compaction 强夯施工环境振动影响的评价方法 |
| 4. | We have constructed a detecting device of stm for open environment , realized the isolation of environmental vibrations and the shield of electrical noises 设计完成开放环境下的扫描隧道显微镜探头,实现了对环境振动的隔绝和电噪声的屏蔽。 |
| 5. | Understanding the mechanism of vibration generation and its propagation rule is the prerequisite to evaluate environmental vibration correctly and appropriately 要做出正确、适当的环境振动评价,首先要清楚列车运行时振动产生的机理及其传播规律。 |
| 6. | So this program can predict the environmental vibration induced by railway and subway and can provide foundation for feasibility study and construction design of railway and subway 因此,本程序可以对地面铁路和地铁所引起的环境振动进行预测。从而为普通铁路和地铁的可行性研究和工程下一步的施工设计提供依据。 |
| 7. | The chief disturbances are the ripple of direct current power supply to scan pzt , resonant box effect of usual optical table using to weaken the environmental vibration disturbances , and the effect of air flow 主要干扰为扫描pzt直流电源的波纹系数、减震光学平台的共振箱作用以及气流的影响。尤以共振箱影响最大。 |
| 8. | Therefore , in order to evaluate the environmental vibration along railway lines , it has very important practical value to analyze and calculate the dynamic response of soil under moving load 因此,为了评价轨道系统引起的振动对轨道沿线环境的影响,对移动荷载作用下地基土动力响应的分析与计算具有十分重要的实际意义。 |
| 9. | The requirement of environmental vibration becomes more and more important in ultra - precise optical - electron measurement instrument , ultrafine working testing and scientific experiment . building a huge micro - vibration isolation platform is becoming an urgent demand 超精密光电测量仪器、超微细加工、测试及科学实验对环境振动的要求越来越高,对大型高性能超低频防微振实验平台需求迫切。 |
| 10. | With the development of social economy and the raise of people ’ s living quality , the elevated railroad has brought us with great convenience , at the mean time it also can cause environmental vibration which the influence to human ’ s life and work environment has aroused widely attention 随着社会经济的发展和人民生活质量的提高,地铁轨道交通给我们带来快捷和便利的同时,所引起的环境振动对人类生活和工作环境的影响已经引起了越来越广泛的关注。 |