【正文】
圈層結(jié)構(gòu) 巖石圈 地核 四、地球的圈層結(jié)構(gòu) 地球的內(nèi)部圈層 地震波 速度與地球內(nèi)部構(gòu)造圖 地殼 莫霍面 地幔 地核 古登堡面 地核 地幔 地殼 四、地球的圈層結(jié)構(gòu) 地球的內(nèi)部圈層 巖石圈 —— 內(nèi)部圈層的特殊圈層 巖石圈與大氣圈、水圈、生物圈共同構(gòu)成與人類具有最緊密關(guān)系的外部圈層。s magic fields. Hydrosphere(水圈) States of water(水的狀態(tài)): Water bodies(水體): Distribution (分布): Hydrosphere is continuous and irregular . ( 水圈是連續(xù)不規(guī)則的 ) solid, liquid and gas glacier(冰川), river water , seawater, marsh water (沼澤水) and groundwater (地下水) oceans, land and atmosphere Functions of Hydrosphere (水圈作用) ★ Water cycle changes the features of Earth. ( 水循環(huán)改變地貌 ) ★ Water is material basis for the existence of human beings and all the other living anisms. Water is essential resources for human’s life . ( 水是人類和一切生物生存的物質(zhì)基礎(chǔ) ,是人類生活不可缺 少的資源 ) Biosphere (生物圈) Definition( 定義 ): The living anisms(生物) and their environment pose the biosphere。s atmosphere is a thin layer of gases that surrounds the Earth. Basically bottom of the atmosphere is the surface of the Earth . 【 大氣圈的下界一般為地面 】 。Earth’s sphere structure (地球的圈層結(jié)構(gòu) ) The Earth environment is posed of the interacting subsystems of air ,water, living things, eart