国内在深弹引信技术方面与国外差距较大。
There is remarkable gap between China and overseas develop countries in depth bomb fuze technology.
实验结果显示，该系统能获得较好的外差信号。
Experimental result shows that a good heterodyne signal is obtained by the system.
实验结果显示，该系统能获得较好的外差信号。
Experimental result shows that a good heterodyne signal is obtained by the system.
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