產品描述：140XBP00400 SCHNEIDER 機架背板 對于分布式I/O模塊
固定流動
用于長期監測某一特定地區的地震活動情況，由若干個建立在固定地點的地震臺和一個負責業務管理和資料處理職能的部門組成的地震臺網稱為固定臺網。
為了地震學和地震預報研究的需要，或在某處發生強震后，為監視震區及鄰區的余震活動情況，臨時架設了由若干個地震臺和一個資料處理中心的地震臺網。一旦已取得一批有用的記錄或余震活動已趨于平靜就將臺網撤離．這類臺網稱為流動臺網。
地震臺網
用于監測地震活動性的地震臺網，其尺度幾乎跨越。典型的是美國在60年代初建立的世界標準地震臺網（WWSSN）。該臺網由100余個分布在的地震臺和設在美國本土的業務管理部門組成。
在我國早已建成由24個基準地震臺組成的地震臺網，其尺度跨越全國。用于監測全國的基本地震活動情況。
為了監測省內及鄰省交界地區的地震活動性，我國絕大多數省份均已建成由十余個至數十個地震臺組成的區域地震臺網。跨度一般約為數百千米。
有些省內的地區或一些大型的工礦企業，如大型水電站，為了監測本地區的地震活動性，建成由幾個或十余個地震臺組成的地方地震臺網，跨度一般約在十余千米至幾十千米間。
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Fixed flow
For long-term monitoring of seismic activity in a particular area, a network of seismic stations established at fixed locations and a department responsible for operational management and data processing functions is called a fixed network.
In order to meet the needs of seismology and earthquake prediction research, or to monitor aftershock activity in the earthquake area and adjacent areas after a strong earthquake, a seismic network consisting of several seismic stations and a data processing center has been temporarily set up. Once a useful record has been obtained or aftershock activity has subsided, the network will be withdrawn. Such networks are called mobile networks.
Seismic network
Seismic monitoring capability of the network
A seismic network used to monitor global seismic activity, spanning almost the entire globe. A typical example is the World Standard Seismic Network (WWSSN), which was established in the United States in the early 1960s. The network consists of more than 100 seismic stations worldwide and operations management offices located in the United States.
In China, a national seismic network consisting of 24 reference stations has already been built, and its scale spans the whole country. It is used to monitor basic seismic activity throughout the country.
In order to monitor the seismic activity in the provinces and the border areas of neighboring provinces, most provinces in China have built a regional seismic network consisting of more than ten to dozens of seismic stations. The span is usually about hundreds of kilometers.
In some provinces or some large industrial and mining enterprises, such as large hydropower stations, in order to monitor the seismic activity of the region, the construction of a local seismic network composed of several or more than ten seismic stations, the span is generally about more than ten kilometers to dozens of kilometers.
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?我們的優勢：140XBP00400 SCHNEIDER 機架背板 對于分布式I/O模塊
?價格優勢
平均比現行市場價格低15% 贏得更多訂單
?庫存優勢
成立于2007年，數千名客戶
相信我們滿足他們的工業控制需求。
?質量優勢
提供全新的和原始項目，并提供保修
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?常見問題
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問題2：我可以得到任何折扣嗎？
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No.3：我應該支付多少運費？
這取決于貨物的重量以及快遞和目的地的選擇。
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?推薦項目:140XBP00400 SCHNEIDER 機架背板 對于分布式I/O模塊
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