三年级科学知识点大全(上册、教科版)
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绛旓細銆鐭ヨ瘑鐐1銆戞按鐨勪笁鎬 姘村湪涓嶅悓鐨勬潯浠跺拰鐜涓嬶紝浠ヤ笉鍚岀殑褰㈡佸瓨鍦紝鏈夋皵鎬併佹恫鎬併佸浐鎬佷笁绉嶅舰鎬併傜敓娲讳腑锛屽父瑙佺殑姘寸殑涓嶅悓褰㈡佹湁姘存哺鑵炬椂浜х敓鐨勭櫧姘斻佹磼鍦ㄥ湴涓婃秷澶辩殑姘村拰鍐扮瓑銆傘愮煡璇嗙偣2銆戣捀鍙戠殑鐩稿叧鐭ヨ瘑鐐 瀹氫箟锛氳捀鍙戞槸鎸囨恫浣撳湪浠讳綍娓╁害涓嬮兘鑳藉彂鐢熺殑姹藉寲鐜拌薄锛屽彧鏈夊湪娑蹭綋鐨勮〃闈㈠彂鐢熴傚彂鐢熻捀鍙戞椂娑蹭綋...
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绛旓細(3)灏嗚绉扮殑鐗╀綋鏀惧湪鐢靛瓙澶╁钩涓,璇诲彇鏄剧ず鏁板瓧鍗冲彲銆 4銆侀氳繃鐢ㄧ數瀛愬ぉ骞虫祴鐨悆(鍏呮皵鍓)鍜(鍏呮皵鍚)璐ㄩ噺鐨勫彉鍖,鍙互楠岃瘉绌烘皵鏄惁鏈夎川閲忋 5銆绉戝瀹剁敤绮剧‘鐨勫疄楠屾祴寰:鍦ㄦ帴杩戝湴闈㈠,1鍗囩┖姘旂殑璐ㄩ噺绾︿负(1.29鍏),鐩稿綋浜(3)鏋氬洖褰㈤拡鐨勮川閲忋 6銆佺儹绌烘皵瑕佹瘮鐩稿悓浣撶Н鐨勫喎绌烘皵璐ㄩ噺(杞),鎵浠ョ儹绌烘皵浼(鍚戜笂鍗),鍐风┖姘...
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