准确无误

His prediction was right on the money.

他的预测准确无误。

My secretary is accurate in her typing.

我的秘书打字准确无误。

Adopt gyral zero-finding technology to ensure the correction of detected part and avoid the。dislocation resulted from the stepout of direct drive.

采用回旋找零技术，确保测试位置的准确无误，避免因直接驱动失步而造成的错位。