Blanking punch contents is a derivative sales, and guarantee the workpiece and the shape of the holes in the relative position accurately, improve processing accuracy.
落料凸模内装有导正销，保证了工件上孔和外形的相对位置准确，提高了加工精度。
Therefore to ensure the accuracy of the relative position of each objects is the key to control the error.
因此，保障各个测试对象之间相对位置的准确则成了一个制约误差的关键因素。
The results indicate that the accuracy of relative position reaches centimeter, the relative attitude reaches minutes and the clock bias reaches about ten nsec.
针对相距公里级的编队卫星，相对状态估计精度为：相对位置达厘米级，相对姿态角达角分级，相对钟差达十纳秒级。
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