地震计

An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.

我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。对一个连续系统进行了不变数字模拟，该系统被认为是作为单自由度系统加速度计的转换函数。

These include: a microseismometer searching for Marsquakes; an advanced meteorological system analysing the Martian weather; a wide-angled panoramic camera which will be our eyes on Mars; a Raman spectrometer providing rock analyses; even a mole to retrieve samples from beneath the surface.

这些仪器包括：寻找火星地震的微震计、分析火星气候的尖端气象系统、广角全景照相机，以作为我们火星上的眼睛、用于分析岩石的拉曼光谱仪，甚至还有获取地表以下样本的挖掘器。

To provide optical fiber: Fiber Distributed Temperature Stress Test System, Fiber Distributed Temperature Measurement System, Fiber Bragg Grating Health Monitoring System, fiber optic geophone systems, fiber Bragg grating wavelength calibration instrument and so on, which sensor product line is extremely rich and has industry representation, including: fiber optic temperature hygrometer, fiber-optic gas alarm, fiber-optic magnetic field sensors, optical fiber vibration sensor, fiber-optic high temperature pressure sensors, fiber-optic WIM system , fiber optic strain gauge welding, fiber optic embedded strain gauge, optical soil pressure gauge, fiber reinforcement meter, fiber optic pressure ring, fiber-optic displacement meter, fiber cracks meter, fiber optic osmometer, fiber-optic temperature sensor high temperature , optical fiber cable meter and so on.

北京达卡科技有限公司光纤方面提供：光纤分布式应力温度测试系统、光纤分布式温度测试系统、光纤光栅健康监测系统、光纤地震检波系统、光纤光栅波长校验仪等，其中传感器产品线极为丰富和具有行业代表性，包括：光纤温湿度计、光纤瓦斯报警器、光纤磁场传感器、光纤振动传感器、光纤耐高温高压传感器、光纤动态称重系统、光纤焊接式应变计、光纤埋入式应变计、光纤土压力计、光纤钢筋计、光纤压力环、光纤位移计、光纤裂缝计、光纤渗压计、光纤耐高温温度传感器、光纤钢索计等。

The behaviors of restrainers of bridges under earthquake were discussed in this thesis. To understand the relative displacement between the superstructure, a shaking table tests of a scale-down simple supported bridge were performed.

中文摘要：本研究计画於国家地震中心以一座双跨缩尺桥梁作震动台实验，观察桥梁加装防落拉杆前后及不同数量、不同尺寸的钢棒及厚度不同之橡胶垫片装设时之差异，针对防落拉杆限制两相邻桥面版相对位移量做研究探讨，并且收集结构分析软体(SAP2000)中所需设定之参数。

Seismoscope made to make the world "all serve his wonderful", opened a new era of scientific principles of the earthquake; Chinese laser photo-typesetting system that allows Chinese characters printed goodbye to "lead and fire," History;"Hybrid Rice" to make rice production in a century added two times, to feed tens of millions of people.

地动仪的制成使世人"皆服其妙"，揭开了地震科学原理的新纪元；汉字激光照排系统，使汉字印刷告别了"铅与火"的历史；"杂交水稻"使水稻产量在一个世纪中增加了2倍，养活了数以千万计人口。

Based on structures with a typical configuration but different stories as well as 80 suitable seismic records, the statistical amplifying factors for estimating the elastoplastic displacements of braced and unbraced steel building frames subjected to severe earthquakes have been obtained through a great number of numerical calculations.

本文在合理地选取丰富的地震记录及典型的结构形式的基础上，通过大量计算，统计得出了有支撑和无支撑钢框架结构在罕遇地震下弹塑性位移增大系数，以此提出了抗震设计时进行罕遇地震下多高层建筑钢结构弹塑性位移验算时的实用计算数表。

The objective of this study was to (1) explore the environmental, cultural, and hydrologic characteristics for sustainable development of San-Bu-Keng Creek watershed in Shangan area, Shuili Township, Nantou County,(2) investigate factors of causing debris flow such as terrain, geology, hydrology, land use,(3) evaluate the implemented watershed conservation and management strategies and suggest necessary improvements, and propose suitable land uses for sustainable development.

三廍坑溪集水区遇强度高、总量大的暴雨常发生土石流灾害，常造成下游上安社区发生屋毁人亡之惨剧。1996年贺伯台风、1999年的921地震造成水里上安地区溪流集水区源头裂缝、土层松动、坡地崩坏，其后2001年的桃芝台风暴雨更在三廍坑溪造成土石流灾害，计有死亡失踪17人，田园流失近百公顷，房屋全倒26户、半倒29户。造成灾害的原因包括陡峭地形、松散地质与台风暴雨等自然因子及滥垦滥伐，占用河道等不当土地利用。

With the recent appearance of broadband OBS, the background noise in the extended frequency range is even more significant.

现在广泛使用的宽频带洋底地震计在扩展频段内记录到的背景噪声更强。

The aim of this paper is to clarify the meanings of these two commonly used calibration methods, which would be fairly positive and helpful to the adjustment and the practical application of the seismometers.

本文旨在阐明两种常用的电流标定方法的物理意义，对地震计的调试及应用有积极的参考作用。

And the main hole in the vicinity of a series of vice-hole for the installation of seismometers, fluid pressure, deformation, gas, temperature probe, and other purposes for the benefit of a possible nuclear area into the long-term monitoring system.

并且主孔附近有一系列的副孔，供安放地震计、流体压力、变形、气体、温度等探头之用，以利于对可能的成核区的长期、系统监测。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。