key board instruments 中文意思是什麼

key board instruments 解釋
鍵盤
  • key : n 1 鑰匙。2 要害，關口，要沖。3 關鍵，線索，秘訣；解法。4 （外國書的）直譯本，圖例，題解，圖解，...
  • board : n 1 板〈通常指寬4英寸半以上厚2英寸半以下者〉，木板；紙板。2 （廣告）牌；（棋）盤；〈口語〉配電盤...
  1. Due to the various kinds of the instruments and some commerce reasons, few instrument manufactories can provide whole principle chart of the instrument, and the key technology is kept secret too. so it is almost very difficult to realize fault diagnosis on them from the level circuit board

    由於儀器儀表的種類比較繁多，外加一些商業原因，國內外的儀器設備製造廠商很難提供完整的設備原理圖，對于其中的關鍵技術也是保密的，所以很多時候很難從電路板級的層次來進行故障診斷。
  2. In this paper, the author gives a detailed introduction of an interface circuit board and a support software both based on hart communication protocol and serial interface communication protocol. the hardware and software together play a key role in the communication between operator station and field instruments

    介面卡件能夠在嵌入原來的國產分散控制系統supmax500並且不影響其對遠程儀表的模擬量進行控制的基礎上，支持符合hart協議的智能儀表與dcs中的分散處理單元和上位機進行通信。
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