• 2021-04-14 问题

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA+EAAAAoCAYAAACRtvsHAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAABy5SURBVHhe7Z1PiBzFF8drf6eAoEJQwYiK7q4YA8Z40clBMAfZhIQcNKgguZjZCEpWYg7C5iAJ5hCFXTxo1lxyMiQeloTs4sGAh2yCB40QEpIdRCUG48WIC

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA+EAAAAoCAYAAACRtvsHAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAABy5SURBVHhe7Z1PiBzFF8drf6eAoEJQwYiK7q4YA8Z40clBMAfZhIQcNKgguZjZCEpWYg7C5iAJ5hCFXTxo1lxyMiQeloTs4sGAh2yCB40QEpIdRCUG48WIC

  • 2021-04-14 问题

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAawAAAAwCAYAAABNG04gAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAAmdSURBVHhe7Z09dqs6EMfHbxVvASZFTlZAVmCncZU2HS7tJl3KdLfBpd2lTeUmsAJ7BT4pgvfC0wgRY1uAxJfhvv/vHG5sDIxGjDTSaOCOYgEBAAAAPecf9

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAawAAAAwCAYAAABNG04gAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAAmdSURBVHhe7Z09dqs6EMfHbxVvASZFTlZAVmCncZU2HS7tJl3KdLfBpd2lTeUmsAJ7BT4pgvfC0wgRY1uAxJfhvv/vHG5sDIxGjDTSaOCOYgEBAAAAPecf9

  • 2021-04-14 问题

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAjUAAAA8CAYAAACehUt5AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAABroSURBVHhe7Z1ZiB1FF4Br/pcYxY2IQSMqmkTUiBu4jKC4gCSi+KKoIL7oRCFiRIUoIyIGDagwQUGNvoSAEfVBIs4gqKCQiQrRiBqJE0UlCiMGo+D2NH9/N

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAjUAAAA8CAYAAACehUt5AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAABroSURBVHhe7Z1ZiB1FF4Br/pcYxY2IQSMqmkTUiBu4jKC4gCSi+KKoIL7oRCFiRIUoIyIGDagwQUGNvoSAEfVBIs4gqKCQiQrRiBqJE0UlCiMGo+D2NH9/N

  • 2021-04-14 问题

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA3QAAADWCAYAAACZrMDDAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAFSYSURBVHhe7b1pjGXVdbe/O+8rRUqEcWN/iByCLKhGmCEgzKQqQDL5m6Yby2pkoJmkoGBVMYnGYMAMVv4IbGgax93EA90ykbEMzWSBUKgytl4suemWGewYG

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA3QAAADWCAYAAACZrMDDAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAFSYSURBVHhe7b1pjGXVdbe/O+8rRUqEcWN/iByCLKhGmCEgzKQqQDL5m6Yby2pkoJmkoGBVMYnGYMAMVv4IbGgax93EA90ykbEMzWSBUKgytl4suemWGewYG

  • 2021-04-14 问题

    f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]

    f(x)在[0,1]上有连续的二阶导数,f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]

  • 2021-04-14 问题

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKYAAABFCAYAAADAWJ1bAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAfKSURBVHhe7Z3NaxNPGMef/v4CTwoi6iGpUARfTpIeBD0lRenFol68bRSEVtCD0GNvekjwIClePCl6CZUmJ701BUFUKAGzudSDUC/qX7C/eSazm5nZTbKv2ezmcCwTzfZl5LvPvM8zzOLlgMIIgZ4zxJIiZgoRJzCQkTGImmR9htquwsLAg2jLU2I9MZPkXJhtqNpirGyLdYzSGqwUhE3MJDkXZhkalgVmrSTHlBaWwHS5WwzhzFmCdbIXc48cyFMs9sRFoO68UwwB8JsQ1MJL6kbzwJTFWa7amfFU8yM200Y6pK68awwNWGiKOXEGKADG8WYxamUhKrMV6Iux2XjUtaXAf3qUz6nEgMHC

    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKYAAABFCAYAAADAWJ1bAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAfKSURBVHhe7Z3NaxNPGMef/v4CTwoi6iGpUARfTpIeBD0lRenFol68bRSEVtCD0GNvekjwIClePCl6CZUmJ701BUFUKAGzudSDUC/qX7C/eSazm5nZTbKv2ezmcCwTzfZl5LvPvM8zzOLlgMIIgZ4zxJIiZgoRJzCQkTGImmR9htquwsLAg2jLU2I9MZPkXJhtqNpirGyLdYzSGqwUhE3MJDkXZhkalgVmrSTHlBaWwHS5WwzhzFmCdbIXc48cyFMs9sRFoO68UwwB8JsQ1MJL6kbzwJTFWa7amfFU8yM200Y6pK68awwNWGiKOXEGKADG8WYxamUhKrMV6Iux2XjUtaXAf3qUz6nEgMHC

  • 2022-05-31 问题

    若一无线电接收机接收到频率为<img src="data:image/png;base64,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" data-latex="{10}^{8}" />Hz 的电磁波的功率为1微瓦,则每秒接收到的光子数为________<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAAArCAYAAADMr156AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAACySURBVGhD7dbRDYIwFIXhhg2MGziBAzgBEzCZMzgCKxhXcAfjBHBv6Ul4qPgmpvf/khNa6EtPSCEBAAAAAAAghovlZjnm2Wf+/Grp86xBvsGH5VnGNVrjOfmNVm2VEaYEqZURrgRZl+EbD1mCqIypXHcroSvXf3CwvJfh7+1ZhL8N4zJMZ8vLcrfozAihdjCuz4wQZdRKkDBlbJUgIcrQL/a3r4MX4OuGPAMAAAAAoAEpzcx8I76qk+i2AAAAAElFTkSuQmCC" data-latex=" imes "/><img src="data:image/png;base64,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" data-latex="{10}^{19}" />个 A: 1.5 B: 2 C: 1 D: 1.75

    若一无线电接收机接收到频率为<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAE4AAAAuCAYAAACGXi9HAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAHDSURBVGhD7Zi9LgVBAIWXFxDRKUTQqCSiEpVCRKWReAPRKryBV/AAtxBCISoUKtEQiR5R6RBegHN2ZmIzdiYidnd27/mSLzN3dleyx/xuJoQQQgghhBBCJMaALdvMOhyC73AMXsFLKCJswxVTzRmB16ZaLYO2bCuL8MNUc16sM/mvCml7cBfwBC7kv74Du7Nlp+Bw2oCxIcV7OAx3bLkP+YwP7+O1T1vyfrZ1Cr7ULuQL3sNYcKeQ9xcpayOc49j+Cvl3J2BnYQih4BgEQ/B7Doche1Zx/nL/DOJ6H5/tbHix4PjyoWsMjkOXMJyygEM9819JcXFYguem+oMbuGaq2agtuYoW4YIxbKrVkVpw7D2xl2ZI7jo3uQ+QG+Ais3DPVKsjteCmbRljErrhuQxXIec5t/r2YGdPDqE5jvsxzmOhOYrP8bo/r9VO2zfAjaHg/khqwT3bMgYXhMZJLbhHW3IBKGMKvkF/C1I7KQ7VAxgKju2HptosKQZ3DOegf2xy393ObNmXxI5cpOzYVMtR6rfU+emce7R5OA432QA4LG+h/7mb+7QtyFPCE+Qz/MZ2BBuf34QQQgghhBBCCCH6nSz7Aq9BTVlX67BIAAAAAElFTkSuQmCC" data-latex="{10}^{8}" />Hz 的电磁波的功率为1微瓦,则每秒接收到的光子数为________<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAAArCAYAAADMr156AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAACySURBVGhD7dbRDYIwFIXhhg2MGziBAzgBEzCZMzgCKxhXcAfjBHBv6Ul4qPgmpvf/khNa6EtPSCEBAAAAAAAghovlZjnm2Wf+/Grp86xBvsGH5VnGNVrjOfmNVm2VEaYEqZURrgRZl+EbD1mCqIypXHcroSvXf3CwvJfh7+1ZhL8N4zJMZ8vLcrfozAihdjCuz4wQZdRKkDBlbJUgIcrQL/a3r4MX4OuGPAMAAAAAoAEpzcx8I76qk+i2AAAAAElFTkSuQmCC" data-latex=" imes "/><img src="data:image/png;base64,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" data-latex="{10}^{19}" />个 A: 1.5 B: 2 C: 1 D: 1.75

  • 2021-04-14 问题

    data:image/png;base64,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

    data:image/png;base64,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

  • 2021-04-14 问题

    刑法属于实体法,刑事诉讼法属于程序法。( )data:image/png;bas...OU26AAAAAElFTkSuQmCC

    刑法属于实体法,刑事诉讼法属于程序法。( )data:image/png;bas...OU26AAAAAElFTkSuQmCC

  • 2022-06-18 问题

    image组件不支持()图片格式。 A: JPG B: PNG C: SVG D: BMP

    image组件不支持()图片格式。 A: JPG B: PNG C: SVG D: BMP

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