结论必须定期对CT机诊视床运动精度进行测试，确保其稳定性，以利于设备的正确诊断。
Conclusion: scan increment accuracy must be tested periodically to insure the stability of CT scan increment accuracy for accurate diagnoses.
且壳体经充分的淬火热处理以达到相当的硬度，确保运动时的精度和稳定性及使用寿命。
And shell after adequate heat treatment to a certain level of hardness, to ensure the accuracy and stability of movement and life.
不要出现在行程较长时抖动，有利于确保扫描精度，稳定的运动。 使用线性步进电机直接连接滚珠丝杆、响应更加快速准确，因为没有中间部分同时，简化了机械结构，精度高。
Using linear stepper motor directly connected ball screw, response more accurately, because there is no middle part at the same time, simplify the mechanical structure, high precision.
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