冰壺比賽運動員們?yōu)槭裁础安恋亍?/title> <meta name="keywords" content=" 冰壺比賽擦地目的, 冰壺擦地作用,冰壺,比賽,運動員" /> <meta name="description" content="冰上溜石比賽用的標準砥石是由蘇格蘭產(chǎn)不含云母的花崗巖石鑿琢而成。砥石的直徑為29厘米，厚度11.5厘米，重19公斤。下面是小編為大家整理的關于冰壺比賽運動員們?yōu)槭裁础安恋亍保绻矚g可以分享給身邊的"/> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script src="http://www.yishupeixun.net/public/js/head.js"></script> <link href="/public/css/article.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.yishupeixun.net/">六月丁香五月婷婷,丁香五月婷婷网,欧美激情网站,日本护士xxxx,禁止18岁天天操夜夜操,18岁禁止1000免费,国产福利无码一区色费</a></h1><div id="x1d8q" class="pl_css_ganrao" style="display: none;"><em id="x1d8q"></em><source id="x1d8q"><sup id="x1d8q"><code id="x1d8q"><object 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2em;">冰上溜石比賽用的標準砥石是由蘇格蘭產(chǎn)不含云母的花崗巖石鑿琢而成。砥石的直徑為29厘米，厚度11.5厘米，重19公斤。下面是小編為大家整理的關于冰壺比賽運動員們?yōu)槭裁础安恋亍保绻矚g可以分享給身邊的朋友喔!</p><p style="text-align: center; text-indent: 0px;"><img src="https://uploads2.xuexila.com/yc/20210108/628dde493f0ab962ad0102d6b6dc9e46.jpg" width="484" height="300"/></p><p style="text-indent: 2em;"><strong>冰壺比賽摩擦原理</strong></p><p style="text-indent: 2em;">為了減小壺與冰面的摩擦，在比賽前會對冰面進行打磨和灑水，“擦地”的動作擦掉了水珠形成的冰點，減小了摩擦力。</p><p style="text-indent: 2em;">另一方面，運動員一般在投擲時會給冰壺一個旋轉(zhuǎn)角度，冰壺很多時候并不是直線向前的，“擦地+旋轉(zhuǎn)”也控制了冰壺的運動軌跡。</p><p style="text-indent: 2em;">規(guī)則規(guī)定，任何一方隊員都不得碰到在營壘中靜止的冰壺或正在運行中的冰壺。如碰到，則此壺作廢。不會重新再投擲，但所有受影響的壺都會被放回原位。(一般情況下，專業(yè)運動員都不會碰到，比賽中冰壺數(shù)量有限，損失一個壺影響還是很大的)。</p><p style="text-indent: 2em;"><strong>冰壺比賽硬件要求</strong></p><p style="text-indent: 2em;">冰壺(Curling)又稱擲冰壺，冰上溜石，是以隊為單位在冰上進行的一種投擲性競賽項目，被大家喻為冰上的“<a href='http://www.yishupeixun.net/xuexiaqi/guojixiangqi/' target='_blank'><u>國際象棋</u></a>”，它考驗參與者的體能與腦力，展現(xiàn)動靜之美，取舍之智慧，屬于冬奧會比賽項目。</p><p style="text-indent: 2em;">冰壺比賽場地長44.5米，寬4.32米(從木框的內(nèi)緣算起)。冰道的一端畫有一個直徑為1.83米的圓圈作為球員的發(fā)球區(qū)，被稱作本壘。冰道的另一端也畫有一圓圈，被稱為營壘。場地四周設有2英寸高、4英寸寬的木框，以防砥石溜出界外。在場內(nèi)有6條與端線平行的橫貫全場的橫線，中間的兩條稱前衛(wèi)線，也稱欄線;兩端的兩條稱后衛(wèi)線。前衛(wèi)線的寬度為4英寸，后衛(wèi)線的寬度為l英寸。在前衛(wèi)線和后衛(wèi)線的中間有一個縱橫交叉的十字線，稱圓心線，也稱丁字線。圓心線的交叉點即是營壘的中心點。以中心點為圓心，向外分別各畫一個半徑0.15米，0.61米、1.22米以及1.83米的同心圓圈，外面的兩圓之間涂為藍色，里面的兩圓之間涂為紅色。在場內(nèi)的兩端距離端線1.22米處各安裝有兩個高2英寸的斜面橡膠起滑架，投擲砥石就從這里開始。起滑架的橡膠部分應緊密固定在木質(zhì)或其他材質(zhì)的材料上。起滑架長不得超過8英寸，內(nèi)側(cè)距離中心線為3英寸。</p><p style="text-indent: 2em;">比賽時，運動員要身著運動服，腳穿比賽鞋(或鞋套)，比賽鞋(或鞋套)兩腳的底部不同，蹬冰腳鞋的底部為橡膠，而滑動腳鞋的底部則為塑料。</p><p style="text-indent: 2em;"><strong>冰壺比賽球員位置</strong></p><p style="text-indent: 2em;">為避免擁擠，比賽規(guī)則對于球員的位置也有所規(guī)定：</p><p style="text-indent: 2em;">1.非擲球隊：主將及副將可站立于標的端之底線后方，主將也可立于擲球隊之主將之后。下一順位之擲球員可站在后板附近，而其他球員則可站在冰道底端之后或兩欄線之間。</p><p style="text-indent: 2em;">2.擲球隊：持冰刷之主將(或副將)可立于標的端圓心線后方之任何位置。</p><p style="text-indent: 2em; text-align: left;"><strong style="color:#125b86"><em 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