[tex=4.143x1.286]g8FbsG0qHPzqqY3lefR2UQ==[/tex]

室温下,处于电子激发态分子的数目 未知类型：{'options': ['[tex=3.5x1.286]mrHp0rt0gIbxO9xWPhwK8VcbW49mBmAMpP20vv4gfE4=[/tex]', '[tex=4.143x1.286]d8CVet9ahQcTZGQ77Vzc+GHmwhneuyCYyLFzJvwFJYA=[/tex]', '[tex=4.143x1.286]WASJr6HoNggPRs/UMHJ9r64BX/9LdYZv2JY20+SdO3A=[/tex]', '[tex=4.143x1.286]jZ9caF1O5Mflu5Fsgn7DVRqRLeX66eKlXayv7IIGX+Q=[/tex]'], 'type': 102}

[tex=32.857x1.286]dYmJNL1lYgk5Nxu2bSMyBaDXbHBZFrj02rUtZQX7gANiLBP9ajn9PQczbNCa248Xf6+w71acscKlw5z9TgEWbMe2McCDd3+b4c5j6X+JP9Yde3lL8vWHhWmse343q5e0snUxA1gxcECPgqNI5lvg/Q==[/tex][tex=34.714x1.286]s5bBBMbQoV9/seFQGKQ5YCWVaC44RmXo766EkV1o8olWnoB9+kjTXGF7dIM5cDu1mzSAOhjkp0EdfmPGpL/Bb+R14VIU0EoGyQCxwPcLY120J9Z2t8EJnQ9llVcRgMQEycnEtHglAm4D6QxLi2hogFci/lAF5gw/v3lunTF/mW4=[/tex] 未知类型：{'options': ['[tex=4.643x1.286]7s8TP9Saou3ReietiNIyvg==[/tex]', '[tex=4.143x1.286]Ptj3SIEgwknx5zxdahmq8A==[/tex]', '[tex=4.143x1.286]RC+itg6a3PW+lJDj3+b19w==[/tex]', '[tex=4.143x1.286]tNTZmAmxg57XJiA6Sx1Kpg==[/tex]'], 'type': 102}

[tex=32.857x1.286]dYmJNL1lYgk5Nxu2bSMyBaDXbHBZFrj02rUtZQX7gANiLBP9ajn9PQczbNCa248Xf6+w71acscKlw5z9TgEWbMe2McCDd3+b4c5j6X+JP9Yde3lL8vWHhWmse343q5e0snUxA1gxcECPgqNI5lvg/Q==[/tex][tex=34.714x1.286]s5bBBMbQoV9/seFQGKQ5YCWVaC44RmXo766EkV1o8olWnoB9+kjTXGF7dIM5cDu1mzSAOhjkp0EdfmPGpL/Bb+R14VIU0EoGyQCxwPcLY120J9Z2t8EJnQ9llVcRgMQEycnEtHglAm4D6QxLi2hogFci/lAF5gw/v3lunTF/mW4=[/tex] 未知类型：{'options': ['[tex=4.643x1.286]7s8TP9Saou3ReietiNIyvg==[/tex]', '[tex=4.143x1.286]Ptj3SIEgwknx5zxdahmq8A==[/tex]', '[tex=4.143x1.286]RC+itg6a3PW+lJDj3+b19w==[/tex]', '[tex=4.143x1.286]tNTZmAmxg57XJiA6Sx1Kpg==[/tex]'], 'type': 102}

设  [tex=5.143x1.286]I1eYw5Pjgl1qq9CdJde6XDMao7uE4JDPvQyB476TO4Q=[/tex] ,且[tex=4.429x1.286]aCn7U9rogloMrOlPF1HIgA==[/tex]的属性个数分别为[tex=2.214x1.286]SlwYJusaOgVIOZhLrJa/pA==[/tex]和[tex=0.5x1.286]r65Ank8E1dV+BtDCLn5S+w==[/tex]，那么三者之间应满足 未知类型：{'options': ['[tex=4.143x1.286]EyId7ddtQwwDpVDDyZHfj0E4alGLiiKiovR3GON5GmE=[/tex]', '[tex=4.143x1.286]X5du+1nWofgRQULMj0Cjew==[/tex]', '[tex=4.143x1.286]Kk4n12ECv4H8BfyRxPvQFZKZF3UcHXALjFrhwSBKOxo=[/tex]', '[tex=4.143x1.286]xRRfMWM8AddaRg2nrEW1HQ==[/tex]'], 'type': 102}

求微分方程满足所给初值条件的特解:[tex=4.143x1.286]Ei2PZQl92La73hUrygebc+OeCnjf6FzGrH+KZ/u1gGKGHx5S3ALvNXz9GeNIESax[/tex],[tex=4.143x1.286]HcVZp5W0l7gxqJgKxGmkqCsklVlbrgTmc6DlYP72d6c=[/tex],[tex=4.429x1.286]sjfuWMMhf0DWjH0tcVJe8C3vKSMBAf7dUD4XGqXBhDnd81RDo54R5utljvebDTZf[/tex]。

下列选项为某变速器一、二、三、四挡的传动比，则三挡的传动比为（）。 A: 0.969 B: 1.286 C: 1.944 D: 3.455

发生心搏骤停，必须在多长时间内重建循环和呼吸 未知类型：{'options': ['[tex=4.143x1.286]o3f/ytV8+0VklocqWPttPA==[/tex]', '[tex=4.143x1.286]fQvdYSx1ngGgdQo0ZXvWsA==[/tex]', '[tex=4.143x1.286]YpHkOh0+SiWmpUyiDO88gg==[/tex]', '[tex=4.714x1.286]bt+8CXezMOckdIMOlNOJht09HMYgwtnsnG+EPkQp2fo=[/tex]', '[tex=5.143x1.286]Fbbxbq0X9iFgjlyqIDLYvGjO2pewGPvwb6BcV+3smOE=[/tex]'], 'type': 102}

求解微分方程[tex=8.5x1.429]1rZQzP9GzTuJ2Uik4bhM+BV0OC5xYDTdVL67xkytvygIDl2SKzoUEuEqSaPCTj0H[/tex][tex=4.143x1.286]VOVwjFLTlhPSCRFNfBJ8mHgMtqUuLfEi9HyiqE94psM=[/tex]

求下列函数的导数：[tex=4.143x1.286]mb8taEfky17w7bj6+zdImxFWtHB9LszkwRUaCneX3/Y=[/tex]