动点作匀加速曲线运动，则( )是正确的。
未知类型：{'options': ['[tex=6.929x1.214]mdAhR1TM1uSfKYkz4MnyyoUg4MXQLpeeJDZviuXUH0U=[/tex]', '[tex=6.929x1.214]BKvgsdSuKawfB4ReEiE+oPFUwNizHljFSTZ+B0J4OVQQqRbD51NBmOTdWnShr3Bt[/tex]', '[tex=6.929x1.214]mdAhR1TM1uSfKYkz4MnyylGTU6suQYBpihTy7v82NQ46k4uQl4JGHyYwRqZYcz3T[/tex]', '[tex=6.929x1.214]BKvgsdSuKawfB4ReEiE+oBnIP5kl+PK2LesOMrb552VHWVRPWbhaSJu9/BhYRt3j[/tex]'], 'type': 102}
未知类型：{'options': ['[tex=6.929x1.214]mdAhR1TM1uSfKYkz4MnyyoUg4MXQLpeeJDZviuXUH0U=[/tex]', '[tex=6.929x1.214]BKvgsdSuKawfB4ReEiE+oPFUwNizHljFSTZ+B0J4OVQQqRbD51NBmOTdWnShr3Bt[/tex]', '[tex=6.929x1.214]mdAhR1TM1uSfKYkz4MnyylGTU6suQYBpihTy7v82NQ46k4uQl4JGHyYwRqZYcz3T[/tex]', '[tex=6.929x1.214]BKvgsdSuKawfB4ReEiE+oBnIP5kl+PK2LesOMrb552VHWVRPWbhaSJu9/BhYRt3j[/tex]'], 'type': 102}
举一反三
- 在6.4结种群相互依存模型中,按以下 4 种情况作相轨线示意图,并解释平衡点稳定的意义.(1)[tex=6.929x1.214]+uwtmAsqKMHmiU7Hn/UpK398A/3bUP5lYlbfWplCNBqpzMchADXTj74P5rw5wsMx[/tex](2)[tex=6.929x1.214]Hi7B3huo3ZLibJdrb6u1Xm/dlprEsTArZCyegkoKPBkrkHkOXcdUlPNUPQ7uIt2y[/tex].(3)[tex=10.143x1.214]eEJ/qTLhPx5Y/mSOEZ7SrEeAXCTYe9hV1aTakNpOkbqnr9q6ljQz+fMrS9Amp78jKeC9fwYn6uH0wX/U7QOg8g==[/tex](4)[tex=10.143x1.214]PiP6hra69ztNs3bnTjf2hdPXxIxV0aBfQPSkEJ0HIhNeFn2ZMdKnL8bhe4GM48kS7jAl3g9VGyD7H0S7XP4u4g==[/tex](相轨线已由图 6 给出, 可作为参考).
- [tex=2.214x1.0]Z8GWW72u+MH/mjafnp+83A==[/tex]丙酮酸经过丙酮酸脱氢酶系和柠檬酸循环产生[tex=4.0x1.214]EPDWVFNjIR8daNoozaWRDg==[/tex],生成的[tex=3.214x1.0]1AqDCKqjaAug6buHS5Z0tQ==[/tex]、[tex=3.429x1.214]HYAn2+I9AZQLWcA3ajoPaw==[/tex]和[tex=2.143x1.0]qQANfGnLx7pE5mcaEibuNg==[/tex](或[tex=2.071x1.0]YGdeb/NAM7yg+XY6SY16Fg==[/tex])的摩尔比是( )。 未知类型：{'options': ['3:2:0', '4:2:1', '4:1:1', '3:1:1', '2: 2:2'], 'type': 102}
- 下列等式中有一个是差分方程，它是[input=type:blank,size:4][/input] 未知类型：{'options': ['[tex=6.929x1.214]wGZnBAblOL5yOlg9jsZx9/N4eSjpW9y02XyUv0TLYYY=[/tex]', '[tex=5.286x1.214]bEkr3qe/O9Oh3EHCkEZJRu9Y2Cxnm0YC9kQPwozM1Lw=[/tex]', '[tex=9.429x1.429]VMRtRACD93fF2r1JbK7ypFDuKjWtQG1eA8SPHnDyLswRB718JyF4EI48NNDIieVf[/tex]', '[tex=11.5x1.357]K6kfbiZDnwg62fyo0GX9CwjUfhim77M6zc36Rqy+s2nF45DjLTOXainHeCxRswdCcDwoM5NrQrgNsrELKkeblODoTSxft4TGtPY8wdWSBxc=[/tex]'], 'type': 102}
- 将一枚均匀硬币连抛 3 次, 用 [tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex]表示出现正面的次数,[tex=4.571x1.357]PxCcajkQzA7U3p4bUf7A3Q==[/tex](). 未知类型：{'options': ['1/8', '3/8', '1/4', '3/4'], 'type': 102}
- 恒温恒压下，化学反应 [tex=9.071x1.357]60OhM+0888WLPr7JXcucO+HbjQ0zT4+yHBN3Lk2MCygoSKc92X6boUizDAlhl4+gV3esbhVh50e8ExtkNXcFO5HW9X/OmqdvYQc6DOwvgaQ=[/tex]正向自发进行, 则化学势应满足[input=type:blank,size:4][/input] 未知类型：{'options': ['\xa0[tex=6.929x1.214]iKxMowEZ5LADW9whMh8P7QXJJcUdiSWYrjjH8TzUGEUAkhjxb8yDf0bSsT9x93aNzx49E7Qp/HCmEA62zn+Zug==[/tex]', '\xa0[tex=6.929x1.214]iKxMowEZ5LADW9whMh8P7bwKwx7JrpJ7ZjiYyd+eVOkvfF88dY2ZldN1L3idS9Y01vRP7JKpHxTMMqh3ICft0Q==[/tex][br][/br]', '\xa0[tex=6.714x1.214]iKxMowEZ5LADW9whMh8P7ajOvHMbDVzqkYaMY5FlzMY9r8hKZ/wmJPc+pwTMEB8v[/tex][br][/br]', '\xa0[tex=5.929x1.143]z8s0VkOrTYo5jzeuigAZyoRweHyV/WlC14bFd5O+zIEmHafG/rQauRNzAMbBEW0Fk5Butj4ClwJqgiB23V7IWA==[/tex][br][/br]'], 'type': 102}