求翻译：山东省地处中国东部、黄河下游，是中国主要沿海省市之一。位于北半球中纬度地带。陆地南北最长约420公里，东西最宽约700余公里，陆地总面积15.67万平方公里，约占全国总面积的1.6%，居全国第十九位。境域东临海洋，西接大陆。水平地形分为半岛和内陆两部分，东部的山东半岛突出于黄海、渤海之间，隔渤海海峡与辽东半岛遥遥相对，庙岛群岛（又称长山列岛）屹立在渤海海峡，是渤海与黄海的分界处，扼海峡咽喉，成为拱卫首都北京的重要海防门户。西部内陆部分自北而南依次与河北、河南、安徽、江苏4省接壤。是什么意思？

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Shandong Province is situated at the east China, the Yellow River downstream, is one of Chinese main coast provinces and cities.Is located the Northern Hemisphere middle latitude region.The land north and south are longest 420 kilometers, the thing are approximately widest approximately 700 kilomete

Located in Eastern China, downstream of the Yellow River in Shandong province, is one of the main coastal provinces in China. In the northern hemisphere mid-latitude areas. Land most about 420 km long North-South, thing about more than 700 kilometers wide, land area of 156,700 square kilometers, abo