百度一下

粤港澳大湾区奋力打造全球科技创新高地

峡客青年如何让船舶楼梯丝滑运转？

技能培训，铺就职业进阶之路

“同学，请说出你的困惑！”晋中信院书记面对面，每一问都有回响

多重角色赶超纽伦巴东，“五个中心”是否只为上海服务？

航天长峰：目前公司不从事商业航天等相关业务

致7人遇难！爆炸事故报告公布，31人被问责

中文在线：拟发行H股股票并在香港联交所主板上市

二战时期的日本为何如此狂妄，被中国拖入战争泥沼却还要偷袭美国珍珠港

从“十四五”到“十五五” 我国新能源将实现更高质量跃升式发展

市场监管总局公布居民水电气表计量管理典型做法

选择理由,精确屏蔽

不感兴趣

正在加载...

上滑加载更多

使用百度前必读 Baidu 京ICP证030173号京公网安备11000002000001号

管理我的关注

<style type='text/css' class='spa-index-style'>.se-box{position:absolute;width:100%}#search-card{min-height:480px;background-color:#fff}#search-card #head,#search-card #head .logo,#search-card #more,#search-card .loading .ico-rotate{position:relative}#search-card #head .logo,#search-card .h-tab,#search-card .loading .ico-rotate,#search-card .arrow{display:block}#search-card .h-tabs-flexbox{display:-webkit-box;display:-webkit-flex;width:auto;-webkit-align-content:flex-start;-webkit-align-items:stretch;-webkit-box-align:stretch;-webkit-box-direction:normal;-webkit-box-lines:single;-webkit-box-orient:horizontal;-webkit-box-pack:justify;-webkit-flex-direction:row;-webkit-flex-wrap:nowrap;-webkit-justify-content:space-between}#search-card .searchboxtop{padding:0 0 6px}#search-card #head{font-size:16px}#search-card #head .logo{width:87px;height:28px;margin-top:9px;margin-right:3px;background:url(//m.baidu.com/se/static/img/iphone/pagelogo.png) no-repeat;-webkit-background-size:87px 28px;background-size:87px 28px}#search-card #h-tabs{box-sizing:border-box;width:100%;height:44px;padding:0 16px;color:#666}#search-card .h-tab{display:inline-block;color:#666}#search-card .tabTx{position:relative;display:inline-block;width:39px;height:16px;padding:21px 0 5px;border-bottom:2px solid transparent;line-height:16px}#search-card .cur{border-bottom:2px solid #38f;color:#38f}#search-card #mo{width:44px;padding-right:0;padding-bottom:2px;text-align:right}#search-card .more-show{color:#38f}#search-card .arrow{position:relative;top:-2px;right:0;display:inline-block}#search-card .arrow::before{content:"\e68d";display:inline-block;width:9px;height:16px;font-size:13px}#search-card .arrow-show::before{content:"\e68e";color:#2d73df}#search-card #more{display:none;clear:both;padding:16px 0;border-top:1px solid #e0e0e0;border-bottom:1px solid #e0e0e0;background:#f9f9f9;-webkit-box-shadow:inset 1px 0 0 #f9f9f9,inset 0 1px 0 #f0f0f0,inset 0 -1px 0 #f0f0f0,inset -1px 0 0 #f9f9f9}#search-card .more-links{margin:0 10px;text-align:center}#search-card .more-links:last-child{margin-top:19px}#search-card .more-links a{display:inline-block;width:25%;color:#666}#search-card .se-form{position:relative;clear:both;box-sizing:content-box;height:40px;margin-right:.17rem;margin-bottom:2px;margin-left:.17rem;border:1px solid #d2d2d2;border-radius:2px;background:#fff;box-shadow:0 2px 0 0 #f1f1f1}#search-card .con-wrap{display:box;display:-moz-box;display:-webkit-box}#search-card .se-inner{position:relative;width:82px}#search-card .se-input,#search-card .se-encode{display:block;overflow:hidden;-webkit-box-sizing:border-box;height:40px;margin:0;padding:6px 42px 6px 6px;border:0;font-family:Arial,sans-serif;font-size:18px;line-height:30px;color:#333;border-radius:0;background-color:transparent;resize:none;-webkit-appearance:none;-webkit-box-flex:1;-moz-box-flex:1;box-flex:1;-webkit-tap-highlight-color:rgba(255,255,255,0)}#search-card .se-bn{display:block;box-sizing:border-box;width:82px;height:40px;border-left:1px solid #f1f1f1;text-align:center;letter-spacing:-1px;color:#38f}#search-card .se-bn span{font-size:16px;font-weight:700;font-style:normal}#search-card #page-bd{overflow:hidden;background-color:#eee}#search-card #page-bd .loading,#search-card #page-bd .loadedtips{min-height:480px;background-color:#fff}#search-card #page-bd .loading{font-size:14px;color:#666}#search-card #page-bd .loading .ico-loading{width:21px;height:24px;margin:145px auto 27px;background:url(//m.baidu.com/static/search/ico-bdlogo.png) left top no-repeat;background-size:21px 24px}#search-card #page-bd .loading .ico-rotate{top:-9px;left:-11px;width:40px;height:40px;border:2px solid #e2e2e2;border-left:2px solid #598edc;-webkit-border-radius:50em;border-radius:50em;-webkit-animation:rotating 700ms linear infinite}@-webkit-keyframes rotating{0%{-webkit-transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg)}}#search-card #page-bd .loadedtips{padding:173px 0 0;background:url(//m.baidu.com/static/search/load-bg.jpg) center 112px no-repeat;-webkit-background-size:63px 51px;background-size:63px 51px}#search-card #page-bd .loadedtips .btn{width:97px;margin:10px auto 0;padding:10px 0;border:1px solid #d7d7d7;color:#333;background:-webkit-gradient(linear,left top,left bottom,from(#f6f6f6),to(#f0f0f0));-webkit-box-shadow:0 1px 0 rgba(215,215,215,.3)}.se-loading{position:fixed;z-index:302;top:50%;width:100%;height:48px;margin-top:6px;text-align:center}.se-loading-icon{overflow:hidden;width:147px;height:100%;margin:0 auto}.se-loading-bglogo{display:inline-block;width:147px;height:48px;background:url(//m.baidu.com/se/static/img/iphone/tab_loading__bg_logo.png) no-repeat;background-size:147px 48px}.se-loading-toplight{position:relative;top:-60px;left:-78px;display:inline-block;width:12px;height:60px;background-color:rgba(255,255,255,.5);-webkit-transform:skew(20deg);transform:skew(20deg);-webkit-animation:1s lodingframe infinite;animation:1s lodingframe infinite}@keyframes lodingframe{0%{left:-78px}100%{left:73px}}@-webkit-keyframes lodingframe{0%{left:-78px}100%{left:73px}}body .se-page-hd{position:static;background-color:#f8f8f8}body .se-page-hd .se-head-logo .se-logo{display:inline-block;width:163px;height:46px;margin:8px 0}body .se-page-hd .se-head-logo .se-logo img{padding-top:7px}body .se-head-logo .se-logo.se-logo-festival img{max-width:163px;max-height:46px;padding-top:0}body .se-page-hd .se-form .se-bearicon{display:block;width:20px;height:18px;margin:11px 0 0 12px;color:#3c76ff;background:#fff url(//m.baidu.com/se/static/img/iphone/vs_icon.png);background-repeat:no-repeat;background-position:1px 0;background-size:261px 18px}</style><div id="page-hd" class="se-page-hd"><div class="se-page-hd-content"><div class="se-head-logo"><a class="se-logo" href="https://m.baidu.com/?ref=www_itl&ms=1"><img src="//m.baidu.com/se/static/img/iphone/logo.png" width="101px" height="31px"></a></div><div class="searchboxtop"><form data-formposition="t" class="se-form" id="se-form" action="/s" method="get"><div class="con-wrap"><div class="se-bearicon"></div><textarea autocomplete="off" autocorrect="off" maxlength="64" id="kw" name="word" class="se-input adjust-input"></textarea><div class="se-inner"><div id="cross" class="cross"></div><button id="se-bn" class="se-bn" type="submit"><span>百度一下</span></button></div></div><div id="se-box" class="se-box"></div><input type="hidden" name="rq" value=""/><input type="hidden" name="ss" value="0"/><input type="hidden" name="ts" value="0"/><input type="hidden" name="t_kt" value="0"/><input type="hidden" name="dit" value="0"/><input type="hidden" name="sa" value="tb"/></form></div></div></div><div class="search-page"><div id="page-bd" class="se-page-bd"><div class="page-load" id="page-load"><div class="loading"><div class="se-loading"><div class="se-loading-icon"><span class="se-loading-bglogo"></span><span class="se-loading-toplight"></span></div><img src="//m.baidu.com/se/static/img/iphone/tab_loading__bg_logo.png" alt="" style="display: none;"></div></div></div><div id="page-tips" class="se-page-tips"></div><div id="results-top"></div><div id="results" class="results"></div><div id="page-relative" class="se-page-relative"></div><div id="page-controller" class="se-page-controller"></div><div id="page-rcol" class="se-page-rcol"></div></div><div id="page-ft" class="se-page-ft"></div><div id="page-copyright" class="se-page-copyright"></div><div id="foot-blank" class="se-foot-blank"></div></div>