\* MERGEFORMAT 8 能量守恒____________________________________________________________________________________________________________________________________________________________________1理解能量守恒的条件 2
\* MERGEFORMAT 8 能量守恒____________________________________________________________________________________________________________________________________________________________________1理解能量守恒的条件 2
\* MERGEFORMAT 11 能的转化和能量守恒____________________________________________________________________________________________________________________________________________________________________1理解能量守
\* MERGEFORMAT 11 能的转化和能量守恒____________________________________________________________________________________________________________________________________________________________________1理解能量守
\* MERGEFORMAT 10 力矩____________________________________________________________________________________________________________________________________________________________________1.理解力臂、力矩的概念;
\* MERGEFORMAT 7 描述运动的量____________________________________________________________________________________________________________________________________________________________________1理解描述运动的物理
\* MERGEFORMAT 11 力矩____________________________________________________________________________________________________________________________________________________________________1.理解力臂、力矩的概念;
\* MERGEFORMAT 12 交流电____________________________________________________________________________________________________________________________________________________________________1理解描述交变电流的物理
\* MERGEFORMAT 8 描述运动的量____________________________________________________________________________________________________________________________________________________________________1理解描述运动的物理
\* MERGEFORMAT 11 恒定电流综合____________________________________________________________________________________________________________________________________________________________________1 掌握恒定电流的
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