Bi-D Adjustment 双向调整
3 d adjustment 三维平差
upward d adjustment 向上调整
D combined adjustment 二维联合平差
D travese adjustment 三维导线平差
d network adjustment 三维网平差
-d restrain adjustment 二维约束平差
The d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.
该机的直流牵引部采用具有电流反馈和电压反馈的双闭环调速系统。
The baseline vectors are solved with software GAMIT and the space coordinates determined with 3-d adjustment model. Horizontal coordinates are adjusted under different conditions.
基线由GAMIT软件解算，利用空间平差模型进行了三维坐标平差，平面平差则在不同的条件下进行。
The new generation of Siemens 6RA70 series d. c. speed adjustment device is selected as the key controller of the system, which satisfies the requirements of controlling carriage speed well.
该系统选用西门子新一代的6RA70系列直流调速装置作为核心控制器，较好地实现了船模拖车速度的控制要求。
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