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- Two years later NASA lost the Mars Climate Orbiter and the Mars Polar Lander. 兩年后，nasa折損了火星氣象衛星和火星極地登陸者號。
- NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere. 年,在火星極地登陸者號宇宙飛船進(jìn)入火星大氣前的瞬間,美國航空航天局失去了與其的無(wú)線(xiàn)電聯(lián)系。
- A few months later, another Nasa spacecraft, the Mars Polar Lander (MPL), was lost near the planet's South Pole. 幾個(gè)月以后，另一個(gè)美國宇航局的宇宙飛船，火星“太陽(yáng)號”登陸者在火星的南極失事。
- Reread the case study about the Mars Polar Lander, and you'll see why this is the wrong approach. 再讀一遍火星極地登陸者的學(xué)習案例，您會(huì )發(fā)現為什么這樣的想法是錯誤的。
- The last time the space agency tried was in 1999 when the Mars Polar Lander angling for the south pole crashed after prematurely cutting off its engines. 航天局上次進(jìn)行火星著(zhù)陸嘗試的時(shí)間是1999年，當時(shí)，火星極地登陸探測器在靠近南極時(shí)，因過(guò)早關(guān)閉發(fā)動(dòng)機而墜毀。
- Three months later, Nasa lost contract with its Polar Lander as it approached touchdown on the frozen South Pole of the planet. 3個(gè)月后，航空航天局與其在火星冰凍的南極接近著(zhù)陸的“極地登陸者”號探測器失去了聯(lián)系。
- Phoenix was built from a lander that was scrapped after the Polar Lander disaster. “鳳凰”號的建造基于極地登陸災難發(fā)生后用拆卸部件組裝的登陸器。
- The two systems of government are polar opposites. 這兩種政體正好相反。
- After a historic, near perfect landing NASA's Phoenix Mars Lander is getting ready to begin testing the polar surface for signs of water and life. 在一場(chǎng)歷史性，接近完美的降落后，NASA的鳳凰火星號探測器已經(jīng)開(kāi)始準備對火星表面測試水和生命的跡象。
- Mars is the fourth planet in order from the sun. 火星是太陽(yáng)系的第四顆行星。
- Such a mistake would mar your career. 這種錯誤會(huì )有損你的事業(yè)。
- Most insect do not live in polar region. 大多數的昆蟲(chóng)不在極地地區生存。
- New images sent back by NASA's Phoenix Mars Lander during its first full day operating in the Martian northern polar region showed most of its science instruments in good health. 美國航空航天局所發(fā)射的鳳凰號火星著(zhù)陸探測器在火星的北極區域度過(guò)了第一天。據其傳回的最新圖片顯示，大多數科學(xué)設備運作正常。
- Like the earth, Mars goes round the Sun. 如同地球一樣，火星繞太陽(yáng)轉。
- Right now, NASA's Phoenix Lander is using a scoop to dig on Mars. 此時(shí)此刻，美國國家航空航天管理局的“鳳凰”號著(zhù)陸器正在利用一把鏟子在火星上挖掘。
- Mars is too dry and poor in oxygen. 火星上面過(guò)于干燥，并且缺乏氧氣。
- Mars(Ares) was the son of Jupiter and Juno. 馬爾斯(阿瑞斯)是朱庇特和朱諾的兒子。
- The expressway mars the beauty of the countryside. 這條高速公路破壞了農村的田園美景。
- Are there any animals in the polar circles? 南極圈和北極圈內有動(dòng)物存在嗎？
- Listen. Earth Commander is working on the spaceship for Mars. 聽(tīng)著(zhù)，地球司令正忙著(zhù)制造去火星的飛船。
