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回路方向
1、loop the loop───翻筋斗; 翻跟头；翻跟斗
2、out of the loop───在圈外；在局外
3、loop───n.环状物、圈；弯曲的部分；环状结构；循环电影胶片；重复指令；环路；（铁道或公路的）环线；大环（芝加哥商业中心）；翻筋斗；单刃转圈；节育环；n.(Loop)（美、丹）劳鄱（人名）；v.使成环；环行；放磁带，执行计算机指令；（使飞机）翻筋斗
4、open loop───开环，开环路；[自]开环
5、perpendicular direction───垂直方向
6、direction───n.方向；指导；趋势；用法说明
7、sense of direction───目标明确；方向感
8、longitudinal direction───轴向，纵向流变；纵向流变；轴向
9、reasoner of direction───方向推理机
1、According to the dynamical equation and the theory of closed loop feedback, the angle scheme of signal detector and discrete exciter in circumferential direction is deduced.───根据半球谐振陀螺的动力学方程和闭环反馈理论，推导出离散激励器和信号检测器在壳体环向的角度配置；
2、In the test program, we'll attach a wheel listener that has the background color loop through the array of colors based upon the direction, as shown in Listing 4.───在测试程序中，我们增加了一个鼠标滚轮ZhenTingQi，它让背景色按照某一方向在颜色数组中循环，如清单4所示。
3、loop direction is judged through the vector product of the adjacent two edges on the vertex with maximum coordinate value.───通过计算环的最大坐标值点处相邻两条边的切矢的叉积来判断环的方向。