科學實驗總是有成功也有失敗。隻要繼續實驗就會成功。除非方向錯誤
所有跟帖:
• 這應該叫技術試驗,得到經驗數據來改進技術 -Bob007- ♂ (0 bytes) () 04/20/2023 postreply 07:49:56
• 這應該叫技術試驗,得到經驗數據來改進技術 -Bob007- ♂ (0 bytes) () 04/20/2023 postreply 07:49:56
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