如果将没有背板连接的特殊开关卡安装到主机的某个插槽，那么它和主机中安装的其它插卡则是电气隔离的。
If a particular switch card with no backplane connection is installed in a slot of the mainframe, it will be electrically isolated from other CARDS installed in the mainframe.
背板产品在营业收入中的比例？
背板产品在营业收入中的比例。
恩尼的卓越技术在连接器行业中占据举足轻重的地位，特别是其高速连接器和广泛的背板与板对板连接器。
ERNI has an excellent Technology Position in the connector industry, in particular with its high-speed connectors and broad range of backplane and board-to-board connectors.
本发明涉及电子领域，公开了一种机框中单板槽位识别系统，使得在没有背板的场合，也能够唯一地设置单板槽位号，并能够识别单板槽位号。
This invention relates to a recognition system for single-board slot in frame. Even without back board, it can also set and identify single-board slot number uniquely.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
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