北冰洋
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地(dì )球(qiú )上(shàng )四(sì )大(dà )洋(yáng )中(zhōng )最(zuì )小(xiǎo )的(de )洋(yáng )。大(dà )致(zhì )以(yǐ )北(běi )极(jí )为(wéi )中(zhōng )心(xīn ),介(jiè )于(yú )亚(yà )洲(zhōu )、欧(ōu )洲(zhōu )和(hé )北(běi )美(měi )洲(zhōu )的(de )北(běi )岸(àn )之(zhī )间(jiān ),面(miàn )积(jī )1310万(wàn )平(píng )方(fāng )公(gōng )里(lǐ )。经(jīng )白(bái )令(lìng )海(hǎi )峡(xiá )通(tōng )太(tài )平(píng )洋(yáng ),以(yǐ )威(wēi )维(wéi )亚(yà )·汤(tāng )姆(mǔ )孙(sūn )海(hǎi )岭(lǐng )与(yǔ )大(dà )西(xī )洋(yáng )分(fèn )界(jiè )。平(píng )均(jūn )深(shēn )度(dù )1200馀(yú )米(mǐ )。航(háng )行(háng )季(jì )节(jiē )只(zhī )限(xiàn )于(yú )夏(xià )季(jì ),并(bìng )须(xū )由(yóu )破(pò )冰(bīng )船(chuán )导(dǎo )航(háng )。
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●北冰洋(简体版)
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