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¡¾Àý¡¿Each of the satellites is constantly sending out signals, and each signal contains important information that can be used to determine the longitude, latitude and elevation at any point on the earth's surface. ÿ¿ÅÎÀÐǶ¼ÔÚÒ»Ö±·¢ËÍÐźţ¬Ã¿¸öÐźŶ¼°üº¬×ÅÖØÒªµÄÐÅÏ¢£¬ÕâЩÐÅÏ¢¿ÉÒÔÓÃÀ´È·¶¨µØÇò±íÃæÈκÎÒ»µãµÄ¾Î³¶ÈºÍº£°Î¡£
spacecraft [speskrft] n. ÓîÖæ·É´¬
My new teacher is science teacher. He¡¯s very strong. He has a big mouth, two big ears, two big eyes and a not too big and not too small nose. He often wears a black new shirt and brown pants, with two big shoes.
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We\'ve come out with a new line of product. Would you like to have a look?
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Something is wrong with the machine.
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I repeated my question for good measure
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We got to the root of the problem
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It is a question of the relation of ethics to economics.
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Various setbacks and problems delayed production
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I have often thought about this problem
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This gave me a clue as to the source of the problem.
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These problems have now been sorted.
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They had a frank discussion about the issue.
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The research begs a number of questions.
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I wasn\'t the only one asking questions
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We have to resolve this matter once and for all
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You\'d better read it by yourself, hadn\'t you?
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