做題:就是目標明確的針對性課題。
創意:就是目標不明確針對性不強的課題。
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比如當年針對U2的電子對抗。
-hkzs-
♂
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05/24/2025 postreply
01:04:49
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不把U2打下來怎麽能發現U2的電子設備?
-天青水藍-
♂
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05/24/2025 postreply
07:50:07
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