The traditional tracer has the disadvantages of lower transmission precision, hulking body, and it is hard to fix and transport. This limits its maneuverability.
传统的航迹仪传动精度不高，体积庞大，重量大，搬运和安装不便，这样限制了它的可灵活操作性。
The traditional tracer has the disadvantages of lower transmission precision, hulking body, and it is hard to fix and transport. This limits its maneuverability.
传统的航迹仪传动精度不高，体积庞大，重量大，搬运和安装不便，这样限制了它的可灵活操作性。
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