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- parabolic comet 抛物线彗星
- That comet is invisible to the unaided eye. 那颗彗星只用肉眼是看不到的。
- nearly parabolic comet 近抛物线彗星
- A comet is at perihelion when it is closest (=very close) to the sun. 彗星最接近太阳时,它就是在近日点。
- If I had binoculars, I could see that comet clearly. 如果我有望远镜,我就可以清楚地看见那颗彗星。
- The comet's ice, heated by the sun, rapidly and spectacular sublimate to gas. 彗星上的冰块在太阳热的作用下迅速而壮观地升华成气体。
- Reaction rates o-bey a parabolic line law. 反应速率服从抛物线定律。
- The central portion of the head of a comet. 彗核彗星头部的中心部分
- Why else might the comet have come undone? 是什么导致了慧星的灭亡?
- The third kind of solar oven is parabolic cooker. 第三种太阳能烤箱是抛物线形的炊具。
- Halley's comet calls on the earth every 76 years. 哈雷彗星每76年造访地球一次。
- Parabolic dunes are the opposite of barchan dunes. 新月型沙丘则跟弧形沙丘相反。
- The comet passed by in the twinkling of an eye. 俯仰之间,流星闪过。
- The third kind of solar oven is a parabolic cooker. 第三种太阳灶是抛物面式炊具。
- Halley's comet visits the Earth once in 76 years. 哈雷彗星每七十六年经过地球一次。
- Parabolic pilot bit, reaming by side blade. 抛物线领眼;侧翼扩眼.
- In that way, Pluto acts like a comet. 也就是说,冥王星的行为像一个彗星。
- Food cooks quickly in parabolic ovens. 在抛物面式炊具里食物会熟得很快。
- Some people feel that this light was a comet. 一些人认为这种光是一种慧星。
- I can hardly wait to see the new comet. 我急不可待地要见到新彗星的出现。