• 2021-04-14
    在点的复合运动中,请选出正确的说法:(请回答对错) 若,则必有, ( ) 若,则必有, ( ) 若,则必有, ( ) 若,则必有, ( ) 若,则必有 ( ) 这里为动点的绝对矢径,上面所指皆为某瞬时。03eb3efdb82bbed3e0a830f8b08b741c.png4b1e220489e2db09c92c399e0cc91566.pngdfd9fc88a1fb7012bf0ed9ce254af145.png4b1e220489e2db09c92c399e0cc91566.pngca7bad4b7eef2cd6f65b3612c2f06268.png4b1e220489e2db09c92c399e0cc91566.png0486590a6e0b75c02975b4b49a81b6b0.png135a68af7381b3ede8b2e189bcde5a8e.png5e4eb1718720efc51b3818cb8aa38a4c.png135a68af7381b3ede8b2e189bcde5a8e.pngc8ad579a421fa2b7189173e3c31bf52d.png