It has various advantages that are unexampled other kind of navigation equipment.
它所具有的诸多优点是其他导航设备所无法比拟地。
The great importance of the quality of equipment for navigation should never be neglected.
导航设备的质量极为重要，不容忽视。
The great importance of the quality of equipment for navigation should never be neglected.
导航设备的质量极为重要，不容忽视。
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