科技新闻发布会的英文短语怎么写？
\u82f1\u8bed\u7ffb\u8bd1-----\u51e0\u4e2a\u79d1\u6280\u82f1\u8bed\u77ed\u8bed\u8054\u7acb\u65b9\u7a0b\u7ec4\uff1asystem of simultaneous equations
\u4ee3\u5165\u6cd5\uff1asubstitution method
\u52a0\u51cf\u6d88\u5143\u6cd5\uff1aelimination by addition or subtraction
\u884c\u5217\u5f0f\u6cd5\uff1amethod of determinant
\u77e9\u9635\u6cd5\uff1amatrix method
\u5224\u522b\u5f0f\uff1adiscriminant
\u4e0d\u5b9a\u5f0f\uff1aindeterminate expression
\u6052\u7b49\u5f0f\uff1aidentical equation
\u5355\u4f4d\u5706\uff1aunit circle
\u56db\u820d\u4e94\u5165\uff1around
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science and technology press conference绛旓細鍑嗗涓撲笟鏈浠ュ強鍚嶈瘝瑙ｉ噴銆1銆佺啛鎮夋捣娲嬮鍩熺殑涓撲笟鏈锛屼簡瑙ｆ捣娲嬬浉鍏崇殑鏈鍜屾蹇碉紝鍖呮嫭娴锋磱绉戝銆佹捣娲嬩繚鎶ゃ佹捣娲嬭祫婧愬埄鐢ㄧ瓑鏂归潰鐨勮瘝姹囥2銆佸噯澶囧弻璇瘝姹囪〃鍜屽悕璇嶈В閲婏紝鍒涘缓涓涓弻璇瘝姹囪〃锛屽寘鎷父鐢ㄧ殑娴锋磱鏈鍜鐭鐨勫搴旂炕璇戙
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绛旓細tourist attractions n. 瑙傚厜鑳滃湴 涓磋繎鍗曡瘝 tourist tourist flow
