态叠加原理可描述为                        。

<p><span lang="EN-US"><span><img width="101" height="56" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGUAAAA4CAYAAADkbDbmAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAASdAAAEnQB3mYfeAAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAALVSURBVHja7Zq9TQMxGIY9AAOAhOkYgBhaSrAQAyQ5pU2FrmEAJ12aLECXkglomIAd2IAdQDE4uRz2xee/Oydv8UlRlPjnfezv747M53MC65dBBECBAQqgwAAFUGCA0sKEmJwxQj7JOX8vxehSfZ4uFieA0pHNyvK0LG6GlBfi/oK9FCV/oGTwMRHiDFA6tDEjK0qv33gprmYFeyRsvIL76th9DQj9uCnKoQLEitkjoHTpvio3Q5T8KnfXdRBQqjdDAiLkG 4LBiiAAgMUGKAAio893dFnmVV5G/1aF5hZQVmnl/WF/35X3xz7VLXAYjE94efkPXa/qQ6mTYG4WWNgKLH0Mky0HURVzbLRp9mU7vdpwLQTWIkRutqPoZdx49XFb0 aYfKEXVkfMOv/hoYSQy/jJPTu6XnvJLKtQb5SV9C7LsIezHq9fCRuY0AJqZfXJF22NVzBxLq5IfXSniZJs3LFTJMoYbrqysYAszvm/lgZQy/tlxuifxPpJlETVE I3UbNZjNWLDA6ceVzGos1hdbLIo00iZgm40oBRufrf4W2HyukXi3z/P6AaATTMsbJ/wbMIH31OhgoruKqW LiOrOGEjOmuLqbejwImazgplROu4uwJiiy0GOF D/P/sfNtnqZxrPbdEPboGtTArjeMl3W5fus31cvR9fTs8zLs3jdpLTKDHHJpm/VRi/TeL1uYVtV0wn7bvIGsfEy9njZAnEN7L6HIGRCYBovSyA gV2M K0LSBm7KH0NdQiaxssOiG9gLxgTLvFQHgTKX0O5yqbxsoPiE9h9sirdcxPveGgY72gCe71p2Od9ZhbYA7w8kcErrccFxLOVAyhHbBABULrJ1nJwWQdSPO5PbXUvNQBKT9JoQElVQFp2qgElpfti42Xjywp/9QigJHRJtu0OQElg1e4qbkqfXFeLbi2gJHJdtt3a6hv6OYFBBQ0oMEABFFgo wE38rNW54eILQAAAABJRU5ErkJggg==" v:shapes="_x0000_i1025"></span><span>&nbsp;</span></span></p>