足球场禁区前的半圆弧有什么作用啊?
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绛旓細绂佸尯寮鏄互鐐圭悆鐐逛负鍦嗗績銆佷互10鐮(绾9.15绫)涓哄崐寰勫湪绂佸尯澶栫敾鐨勪竴娈靛姬銆 鍦瓒崇悆姣旇禌涓綒鐐圭悆鐨勬椂鍊欙紝闄ょ綒鐐圭悆鐨勯槦鍛樺拰瀹堥棬鍛樺,鍏跺畠闃熷憳蹇呴』绔欏湪绂佸尯鍙婄鍖哄姬浠ュ锛岄槻姝㈣繖浜涢槦鍛樺共鎵扮綒鐞(鍏朵粬闃熷憳鍦ㄧ悆缃氬嚭鍚庢柟鍙繘鍏ョ鍖鸿ˉ灏)銆備腑鍦堟槸寮鐞冪偣涓哄渾蹇冿紝9.15绫充负鍗婂緞銆 涓湀鏄粰鐞冮槦寮鐞冪敤鐨勩
绛旓細鍙仛缃氱悆寮,瀹冩槸浠ョ綒鐞冪偣涓哄渾蹇冿紝浠9.15m涓哄崐寰,鍦ㄧ綒鐞冨尯澶栫殑涓鏉″姬绾匡紝瀹冪殑浣滅敤鏄:鍦ㄨ涪鐐圭悆鏃讹紝鎵鏈夌殑鐞冨憳锛堥櫎涓荤綒鑰呭拰瀹堥棬鍛橈級閮借绔欏湪绂佸尯澶栧拰鐐圭悆鐐9.15绫充互澶栵紝缃氱悆寮у彲浠ヨ瑁佸垽鏂逛究瑙傚療鏄惁鏈夌悆鍛樿繚渚嬨傘嶧IFA鍥介檯瓒冲崗瑙勫畾銆:涓.澶х鍖哄鐢鍗婂渾寮鍙綒鐞冨姬銆佽嫢鍦ㄧ綒鐐圭悆鏃 銆佸鍏朵粬鐞冨憳鐨...
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绛旓細铏界劧浣滀负鑱屼笟鐞冨憳锛屽熀鏈笂涓鎷垮埌鐞冨氨鍙互鐢鐪肩潧浣欏厜鍒ゆ柇鍑虹悆闂ㄥ拰鑷繁鎵澶勪綅缃殑澶т綋鎵鍦紝鐢氳嚦鏈夊緢澶氫紭绉鍓嶉攱涓嶆姮澶村氨鍙互瀹屾垚绮惧噯灏勯棬銆備絾瓒崇悆杩愬姩姣曠珶涓嶆槸浠呬粎瀵硅亴涓氱悆鍛樺紑鏀剧殑锛屼笟浣欓夋墜浠繕鏄渶瑕侀氳繃鏍囩嚎鏉ヨ瘑鍒鐞冨満涓婄殑涓浜涢噸瑕佷綅缃殑銆傚綋杩涙敾鑰呯湅鍒绂佸尯寮渚夸細鎯冲埌杩欓噷宸茬粡鍒颁簡灏勯棬鐨勭粷浣充綅缃紝閫闃茬殑鍚庡崼...
绛旓細瓒崇悆绂佸尯寮ч《涓昏鐢ㄤ簬瓒崇悆姣旇禌涓畾浣嶇悆鐨勫鐞嗭紝甯姪鐞冮槦鏇村ソ鍦扮粍缁囪繘鏀诲拰闃插畧銆傝缁嗚В閲婂涓嬶細瓒崇悆绂佸尯寮ч《鏄瓒崇悆鍦涓婁竴涓噸瑕佺殑鍖哄煙銆傚湪瓒崇悆姣旇禌涓紝褰撴瘮璧涘洜鍚勭鍘熷洜鏆傚仠锛屽瑙掔悆銆佺悆闂ㄧ悆銆佺晫澶栫悆绛夊畾浣嶇悆鏃讹紝鎵鏈夌悆鍛樺繀椤绘寜鐓ц鍒欒瀹氱殑璺濈鍜屼綅缃噸鏂板竷缃湪鍦轰笂銆傝繖鏃讹紝绂佸尯寮椤跺氨璧峰埌浜嗚嚦鍏抽噸瑕鐨勪綔鐢銆1...
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绛旓細閭ｄ釜寮鏄互鐐圭悆鐐逛负鍦嗗績9.15绫充负鍗婂緞銆傜敾鐨..骞虫椂缃氱偣鐞冪殑鏃跺..鍏朵粬闃熷憳閮借绔欏湪绂佸尯澶栦笖绂荤偣鐞冪偣鏈9.15绫宠窛绂荤殑鍦版柟..閭ｄ釜寮у氨鏄负浜嗗垽瀹氳窛绂.
