double-pole switch 双刀开关 ; [电] 双极开关 ; 同上 ; 双极开关掣
double pole [电子] 双极 ; 双杆 ; 双桅杆 ; 双极双杆
double-pole-double-throw switch 双刀双掷开关
double pole double throw 双刀双掷 ; 双刀双掷开关 ; 封装含义为
double pole scaffold 双杆支脚手架
double-pole connector 双极插接器
double-pole single throw 双刀单掷开关
The cell had two type. one was form shuttle, owned 2～3 slightness prominence and a majority of cells had double pole. The ellipse nuclear of cell evident.
结果：胎兔神经植块在第6天见细胞从组织块周围爬出,有两种细胞，一种为细胞形态梭形,有突起,多为双极,偶尔可见3个细长突起，胞核明显,呈椭圆形。
参考来源 - 神经生长因子（NGF）对胎兔雪旺细胞培养的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
Represents a double-pole, single-throw switch. Open and closed positions can be specified.
表示双刀单掷开关。可指定断开和闭合位置。
Represents a double-pole, double-throw switch. Right, left, and open positions can be specified.
表示双刀双掷开关。可指定右、左和断开位置。
There are 2 operation modes for DC transmission system:single pole operation and double-pole operation.
直流输电系统主要有2种运行方式：单极运行方式和双极运行方式。
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