设序列对[tex=8.071x1.357]6EydVAszvH5wS+RZqbhwK7TyXIWY73ORKR9mTE9DHUA=[/tex],求[tex=7.929x1.357]WC6h4QVhi8NZYdj0K5WyDncNqY39M3tHveLo0Mv4F9fWNkmEn80izBgDed1joUds[/tex]
设序列对[tex=8.071x1.357]6EydVAszvH5wS+RZqbhwK7TyXIWY73ORKR9mTE9DHUA=[/tex],求[tex=7.929x1.357]WC6h4QVhi8NZYdj0K5WyDncNqY39M3tHveLo0Mv4F9fWNkmEn80izBgDed1joUds[/tex]
求下列二阶常系数线性微分方程的通解:[tex=7.929x1.357]1rZQzP9GzTuJ2Uik4bhM+AA9xULBWPhuf6sY+fKkAJhE0g2VSV25nHhcjcH9y9Sp[/tex];
求下列二阶常系数线性微分方程的通解:[tex=7.929x1.357]1rZQzP9GzTuJ2Uik4bhM+AA9xULBWPhuf6sY+fKkAJhE0g2VSV25nHhcjcH9y9Sp[/tex];
设 [tex=7.929x1.357]CYK6PStivPpSbSvS+Yl+cdMiVHsd+EMj5hIFdMhzDrs=[/tex]二阶可导,求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]
设 [tex=7.929x1.357]CYK6PStivPpSbSvS+Yl+cdMiVHsd+EMj5hIFdMhzDrs=[/tex]二阶可导,求[tex=1.0x1.357]eE9dXkpN2effVrNkAbXJmGIp9WKb7xaCkkBPHXfHmGo=[/tex]
将下列高阶微分方程化为等价的一阶微分方程组[tex=7.929x1.357]CLxljskEHsHX1WoloQs9JkQ9oQYISbq0F5Wv6AJsges=[/tex]
将下列高阶微分方程化为等价的一阶微分方程组[tex=7.929x1.357]CLxljskEHsHX1WoloQs9JkQ9oQYISbq0F5Wv6AJsges=[/tex]
每天机体合成的蛋白质中有血浆蛋白 未知类型:{'options': ['[tex=4.357x1.214]gip43udVXEwzWZNv94ayiA==[/tex]', '[tex=7.929x1.357]NQT5yzFrGmjLbOfRPFn5yJpQaympL3dUpiBiNxQPdIU2p7bNy4OqjEVabfB8Surn[/tex]', '[tex=7.929x1.357]MybB//wrfuXsDXvOcvs5+IZjLloADd2pCJfqkzgjm60/30TWHsYGJoWN0Tg42GD9[/tex]', '[tex=1.5x1.214]C/YLK5mq8ZvmwIL15z+k5A==[/tex]', '[tex=1.5x1.214]eDmPm5a4zuEuwAi9Yvm05w==[/tex]'], 'type': 102}
每天机体合成的蛋白质中有血浆蛋白 未知类型:{'options': ['[tex=4.357x1.214]gip43udVXEwzWZNv94ayiA==[/tex]', '[tex=7.929x1.357]NQT5yzFrGmjLbOfRPFn5yJpQaympL3dUpiBiNxQPdIU2p7bNy4OqjEVabfB8Surn[/tex]', '[tex=7.929x1.357]MybB//wrfuXsDXvOcvs5+IZjLloADd2pCJfqkzgjm60/30TWHsYGJoWN0Tg42GD9[/tex]', '[tex=1.5x1.214]C/YLK5mq8ZvmwIL15z+k5A==[/tex]', '[tex=1.5x1.214]eDmPm5a4zuEuwAi9Yvm05w==[/tex]'], 'type': 102}
在一线圈回路中, 规定满足如附图所示的旋转方向时, 电动势[tex=0.714x1.0]h24lL+N1fB0xvoOm/ixYxzM/0xGgL/8TSRL7zNQi6m0=[/tex], 磁通量 [tex=1.357x1.214]3m3oM38bm+LR+D70ASyhrQ==[/tex]为正值. 若磁铁沿箭头方向进入线圈, 则有 ( )[img=201x79]17f71ec3b1675b5.png[/img] 未知类型:{'options': ['[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgaUsuQxfFIiu1t4CW1Iz21uiRKhXADbuH3A4eWUwYzv4[/tex]', '[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgflnogCg04ESkkOFZA+8SHhwl+4pcq5wHkW7h3bmKnfP[/tex]', '[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgflnogCg04ESkkOFZA+8SHhYHZwDBqDYOd7fq5AyOhD8[/tex]', '[tex=7.786x1.357]YdW9AhDLArd2s2uHUFcFgaUsuQxfFIiu1t4CW1Iz21urdSRNwp5WV2qVcrr8rZZZ[/tex]'], 'type': 102}
在一线圈回路中, 规定满足如附图所示的旋转方向时, 电动势[tex=0.714x1.0]h24lL+N1fB0xvoOm/ixYxzM/0xGgL/8TSRL7zNQi6m0=[/tex], 磁通量 [tex=1.357x1.214]3m3oM38bm+LR+D70ASyhrQ==[/tex]为正值. 若磁铁沿箭头方向进入线圈, 则有 ( )[img=201x79]17f71ec3b1675b5.png[/img] 未知类型:{'options': ['[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgaUsuQxfFIiu1t4CW1Iz21uiRKhXADbuH3A4eWUwYzv4[/tex]', '[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgflnogCg04ESkkOFZA+8SHhwl+4pcq5wHkW7h3bmKnfP[/tex]', '[tex=7.929x1.357]YdW9AhDLArd2s2uHUFcFgflnogCg04ESkkOFZA+8SHhYHZwDBqDYOd7fq5AyOhD8[/tex]', '[tex=7.786x1.357]YdW9AhDLArd2s2uHUFcFgaUsuQxfFIiu1t4CW1Iz21urdSRNwp5WV2qVcrr8rZZZ[/tex]'], 'type': 102}
将适当的函数填入下列括号内,使等式成立。[tex=7.929x1.357]OowizoLLTFHkA64428ICQJIhhZyuRTav/a7Syxxmy47FX525md18w0WrSjnB8Itp[/tex]
将适当的函数填入下列括号内,使等式成立。[tex=7.929x1.357]OowizoLLTFHkA64428ICQJIhhZyuRTav/a7Syxxmy47FX525md18w0WrSjnB8Itp[/tex]
求下列集合的所有极小元并说明理由[br][/br][tex=7.929x1.357]c3SwkSckb/TdUD5cKAzFPmpjgMMeTfGfNZ8m57um9lk=[/tex]
求下列集合的所有极小元并说明理由[br][/br][tex=7.929x1.357]c3SwkSckb/TdUD5cKAzFPmpjgMMeTfGfNZ8m57um9lk=[/tex]
试求出图2-4中各电路的传递函数[tex=7.929x1.357]YsbfUm6T8vgDFd+w+8lJU8cpmGsCKRBSRQpLKW9MJXbek+8ZhgYUSVgjjkLOFUqt381BGYSdF/hM9JAKC/n2A9UAHWOUy0cPOQHqQ0pxktSY5V6ymMVmXvYm8sM1UihaSdS7cvbGm5xV2sFdqRCaUg==[/tex][img=616x220]17d70e7798fbc35.png[/img]
试求出图2-4中各电路的传递函数[tex=7.929x1.357]YsbfUm6T8vgDFd+w+8lJU8cpmGsCKRBSRQpLKW9MJXbek+8ZhgYUSVgjjkLOFUqt381BGYSdF/hM9JAKC/n2A9UAHWOUy0cPOQHqQ0pxktSY5V6ymMVmXvYm8sM1UihaSdS7cvbGm5xV2sFdqRCaUg==[/tex][img=616x220]17d70e7798fbc35.png[/img]
画出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数).[tex=7.929x1.357]BPSKsr0JsAF0Re6F7SyqjAN2US5PyZIMpXWm+U/NTLQ=[/tex]
画出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数).[tex=7.929x1.357]BPSKsr0JsAF0Re6F7SyqjAN2US5PyZIMpXWm+U/NTLQ=[/tex]