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    鏉ユ簮錛歨ttp://www.lehu29.com/news320971.html  鍙戝竷鏃墮棿錛?020-02-11 15:27:00

    嫻呰皥UPS鐢墊簮鍏ㄦ帶鏁存祦鐢?shù)璧\鐨勫伐浣滃師鐞?/span>

    褰?/span>UPS鐢墊簮鐨勪笁鐩告ˉ寮忕數(shù)璺殑杈撳嚭鐢?shù)鍘嬩笌涓夌浉鍗婃尝鐢?shù)璺殑杈撳嚭鐢?shù)鍘嬬浉鍚屾椨灱屼笁鐩告ˉ寮忔檳櫁附帯鎵�闇�鐨勫ぇ姝ｈ礋鐢?shù)鍘嬫瘮涓夌浉鍗婃尝鐢?shù)璺腑鏅墮椄綆℃墍闇�鐨勫ぇ姝ｈ礋鐢?shù)鍘嬩綆涓�鍗娿�?/span>

    浠ヤ笂浠庝竴鑸拰鍩烘湰鍘熺悊涓婅璇嗗埌錛屼笁鐩告ˉ寮忓叏鎺ф暣嫻佺數(shù)璺疄璐ㄤ笂鏄竴縐嶅叡闃存瀬緇勫拰闃蟲瀬緇勭殑涓茶仈鏁存祦鐢?shù)璧\錛屼負(fù)浜嗘洿鍏蜂綋鍦版妸鎻″畠錛屾湁蹇呰瀵瑰叾鐗╃悊榪囩▼榪涜鏇磋緇嗙殑鍒嗘瀽銆?/span>

    鎸夌収鎯緥錛屼笁鐩稿叏鎺фˉ鐨勫叚涓櫠闂哥瑙﹀彂欏哄簭涓?/span>VT1鈫?/span>VT2鈫?/span>VT3鈫?/span>VT4鈫?/span>VT5鈫?/span>VT6錛屽洜姝ゆ櫠闂哥緙栧彿濡備笅錛?/span>VT1鍜?/span>VT4鎺?/span>a鐩革紝VT3鍜?/span>VT6鎺?/span>b鐩革紝VT5銆傚甫c鐩哥殑VT2銆?/span>VT銆?/span>VT3鍜?/span>VT5鏋勬垚涓�涓叡鍚岀殑闃存瀬緹わ紝鑰?/span>VT4銆?/span>VT6鍜?/span>VT2鏋勬垚涓�涓叡鍚岀殑闃蟲瀬緹ゃ�?/span>UPS鐢墊簮濡傚浘4-14鎵�紺恒�?/span>

    涓轟簡鎵懼嚭姣忔牴鏅朵綋琛ㄨ揪寮忕鍦?/span>a鍙樺寲鏃剁殑瀵奸�氳寰嬶紝鍒嗘瀽杈撳嚭娉㈠艦鐨勫彉鍖栵紝涓嬮潰鐮旂┒浜嗗嚑縐嶇壒孌婃帶鍒惰搴︾殑鎯呭喌銆傛垜浠鍏堝垎鏋愬綋a=0錛岃嚜鐒朵氦鎹㈢偣瑙﹀彂浜ゆ崲鏃朵細(xì)鍙戠敓浠�涔堛�?/span>

    鍥?/span>4-15鏄劇ず浜?/span>a=0鏃剁殑娉㈠艦銆備負(fù)浜嗕究浜庡垎鏋愶紝鎶婁竴涓椂鏈熷垎鎴愬叚絳夊垎銆傚湪涓�闃舵涓紝a鐩哥殑鐢?shù)浣嶉珮锛屾墍浠ュ叡闃存瀬緇勭殑VT1鐢?shù)浣嶄綆锛岃�屽叡闃蟲瀬緇勭殑VT6鐢?shù)浣嶄綆銆傜幇鍦ㄧ數(shù)嫻佷粠a鐩哥粡VT嫻佸悜璐熻澆錛屽啀緇?/span>VT嫻佸悜b鐩革紝鍙樺帇鍣ㄥ垎涓?/span>a鐩稿拰b鐩歌繍琛岋紝鏂藉姞鍦ㄨ礋杞戒笂鐨勬暣嫻佺數(shù)鍘嬩負(fù)ua ub=uab銆?/span>

    鑷?/span>60擄鍚庝竴鈪℃湡銆傛鏃訛紝a鐩哥數(shù)浣嶄粛楂橈紝VT1緇х畫瀵肩數(shù)錛?/span>c鐩哥數(shù)浣嶄綆銆傝嚜鐒舵崲鐩哥偣瑙﹀彂c鐩?/span>VT2鍚庯紝鐢墊祦鐢?/span>b鐩稿彉涓?/span>c鐩革紝鍙樺帇鍣ㄥ垎a銆?/span>c涓ょ浉榪愯錛岃礋杞界數(shù)鍘嬩負(fù)ua uc=uac銆?/span>

    60擄鍚庤繘鍏ュ墠鈪㈡錛岀劧鍚?/span>b鐩擱珮鐢?shù)浣嶅Q屽叡闃存瀬緇勭敱瑙﹀彂鎹㈢浉VT3瀵奸�氾紝鐢墊祦鐢?/span>a鐩稿彉涓?/span>b鐩革紝VT2緇х畫瀵奸�氾紝b鍜?/span>c涓ょ浉錛岃礋杞界數(shù)鍘嬩負(fù)ub-uc=ubc銆?/span>

    絳夌瓑銆傚湪涓�孌典腑錛?/span>VT3錛?/span>VT4浼犲錛?/span>b錛?/span>a涓ょ浉宸ヤ綔銆傚湪絎簲鑺備腑錛?/span>VT4錛?/span>VT5浼犲錛?/span>c錛屼竴涓袱鐩稿伐浣滐紝鍦ㄤ竴孌典腑錛?/span>VT5錛?/span>VT6銆備紶瀵鹼紝c錛?/span>b涓ょ浉宸ヤ綔錛岀劧鍚庨噸澶嶈繖涓繃紼嬨�?/span>