'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地球和地球仪 1、形状:地球是一个两极稍扁、赤道略鼓的不规则球体. 2、大小:半径:...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1、比例尺的表示方法:文字式、线段式、数字式 2、比例尺大小的比较:分母越大,比...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地图的知识 1.地图的基本要素有比例尺、方向、图例。 2.比例尺的知识: ①比例尺的公...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地球特点 赤道略略鼓,两极稍稍扁。 自西向东转,时间始变迁。 南北为纬线,相对成...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地图的三要素 1.比例尺 比例尺是表示图上一条线段的长度与地面相应线段的实际长度之...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地图辨方向 地图方向辨,摆正放眼前; 上北下为南,左西右东边。 标图易分辨,经纬网...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 我国长江中下游河段的河流补给类型是雨水补给。长江中下游河段位于我国东部季风区...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 温带地区主要气候类型有温带海洋性气候、温带季风气候、温带大陆性气候。温带气候...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地壳变动的主要原因是碰撞和张裂。地壳运动即地质运动,地壳自形成以来,其结构和...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 地球围着太阳转一圈是一年。地球围着太阳转称为公转,公转一周的时间约为365天又5小...