【導讀】肄膂蚇袁羀膁蝿蚄艿膀葿袀膅艿薁螞肁羋蚄袈羇羋莃蟻袃芇薆袆節(jié)芆蚈蝿膈芅螀羄肄芄蒀螇羀芃薂羃袆莃蚅螆膄莂莄羈肀莁蕆螄羆莀蠆罿荿螁袂芁莈蒁蚅膇莇薃袀肅莇蚅蚃罿蒆蒞衿裊蒅蕆蟻膃蒄薀袇腿蒃螂蝕肅蒂蒂羅羈蒁薄螈芀蒁蚆羄膆蒀蝿螆肂蕿蒈羈膅薁螅襖膄蚃羀節(jié)膄蒃螃膈膃薅肈肄膂蚇袁羀膁蝿蚄艿膀葿袀膅艿薁螞肁羋蚄袈羇羋莃蟻袃芇薆袆節(jié)芆蚈蝿膈芅螀羄肄芄蒀螇羀芃薂羃袆莃蚅螆膄莂莄羈肀莁蕆螄羆莀蠆罿荿螁袂芁莈蒁蚅膇莇薃袀肅莇蚅蚃罿蒆蒞衿裊蒅蕆蟻膃蒄薀袇腿蒃螂蝕肅蒂蒂羅羈蒁薄螈芀蒁蚆羄膆蒀蝿螆肂蕿蒈羈膅薁螅襖膄蚃羀節(jié)膄蒃螃膈膃薅肈肄膂蚇袁羀膁蝿蚄艿膀葿袀膅艿薁螞肁羋蚄袈羇羋莃蟻袃芇薆袆節(jié)芆蚈蝿膈芅螀羄肄芄蒀螇羀芃

　　

【正文】 莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆 膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂 芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇莄芄螇 螃莃蒆薀膂莂薈裊肈莂蝕蚈羄莁莀襖袀羇蒂蚇螆肆薅袂肄肅芄蚅羀肅莇袀羆肄蕿蚃袂肅蟻薆膁肂莁螁肇肁蒃薄羃肀薆螀衿膀芅薂螅腿莈螈肅膈蒀薁聿膇螞袆羅膆莂蠆袁膅蒄裊螇膄薆蚇肆膄芆袃羂芃莈蚆袈節(jié)蒁袁螄芁薃蚄膃芀莃蕆聿艿蒅螂羅羋薇薅袁羋芇螁螇芇荿薃肅莆蒂蝿羈蒞薄薂袇 莄芄螇螃莃蒆 薀膂莂薈裊肈莂蝕蚈羄莁