单词:calibration technique
单词:calibration technique 相关文章
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Idiom: Lose your marbles ( go crazy ) Hit the book: The experiments by some scientists tell us that bats use the sunset to calibrate the Earth's magnetic field for use as a compass. But the story may be still more complicated. In birds, it's not the
If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning
By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla
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Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,