meteoroid造句
例句與造句
- Moving swiftly through the atmosphere, meteoroids are heated rapidly by friction .
流星體在快速穿過(guò)大氣層時(shí)，因磨擦而迅速加熱。 - If the meteoroids are bunched together, the number of meteors seen varies from year to year .
如果流星體聚集在一起，則每年看到的流星數(shù)都不一樣。 - Others became asteroids , comets and smaller meteoroids
其他人成為了小行星彗星和更小的隕石。 - Meteoroids are small particles in space with size similar to grains of sand
.宇宙充塞著沙粒大小的流星體。 - Performance analysis for spacecraft shield structures against meteoroid and space debris
航天器微流星體及空間碎片防護(hù)結(jié)構(gòu)性能分析 - It's difficult to find meteoroid in a sentence. 用meteoroid造句挺難的
- Countless meteoroids will be sent hurtling into the earth ' s atmosphere at 71 kilometres a second
無(wú)數(shù)流星將以每秒71公里的速度劃破長(zhǎng)空。 - Life - bearing meteoroids and dust particles would be exposed to the vacuum of space , extremes in temperature and several different kinds of radiation
帶有生命的流星體與塵粒，還會(huì)暴露在宇宙的真空、極端的溫度與數(shù)種不同的輻射之下。 - Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region . the stream orbits around the sun in an elliptical orbit with a period of about 33 years
獅子座流星群聚集于一條狹長(zhǎng)的區(qū)域內(nèi)，以極為橢圓形的軌道環(huán)繞太陽(yáng)運(yùn)行，周期約為 - With the sun locating at the centre , our solar system is consisted of the eight planets and their satellites , dwarf planets , asteroids , comets , meteoroid and interplanetary matter
我們的太陽(yáng)系，是以太陽(yáng)為中心，由八大行星及其衛(wèi)星矮行星小行星彗星流星體和行星際物質(zhì)所構(gòu)成的天體系統(tǒng)。 - A " meteor shower " occurs when our home planet encounters a relatively dense region of meteoroids in space . an unusually large number of meteors can then be seen streaming from a certain point in the sky known as the " radiant "
許多流星像從星空中某一點(diǎn)稱為輻射點(diǎn)向外散射而出，其實(shí)流星群飛向地球時(shí)大致是平行的，輻射點(diǎn)是視覺(jué)上的透視象。 - And most of them were bright fireballs that shined below magnitude 0 . many people noticed the red head and green trail of the meteor . colour of the meteor is an important clue to understand the composition of the meteoroid
當(dāng)中為數(shù)很多都是0等以下的火流星，而且還帶有顏色，不少人都看到流星紅頭綠尾的有趣現(xiàn)象，這為我們追查流星體物質(zhì)的成分留下了重要的線索。 - There float in the vast reaches of our solar system swarms of sand bits and dust clods known as meteoroids . when these " space debris " tear into the earth s atmosphere , air friction causes them to burn , forming momentary bright streaks that blaze across the sky
太陽(yáng)系內(nèi)充滿著稱為流星體的塵埃和固體塊，當(dāng)這些太空渣滓闖進(jìn)地球的范圍時(shí)，便會(huì)和大氣摩擦而燃燒，成為我們?nèi)粘Ｋ?jiàn)的流星。 - When a meteoroid with a speed of tens of kilometers per second hits the earth s atmosphere , the friction with air will heat up the meteoroid . the high temperature will cause the surrounding atmosphere to glow , creating a bright streak of light called a
當(dāng)流星體以每秒數(shù)十公里的速度進(jìn)入地球大氣層，由于與空氣摩擦而產(chǎn)生高熱，高溫令流星體四周空氣發(fā)光，形成一條劃破天際的光跡，我們稱之為 - Our solar system consists of an average star we call the sun , the planets mercury , venus , earth , mars , jupiter , saturn , uranus , neptune , and pluto and , the satellites of the planets ; numerous comets asteroids , and meteoroids ; and the interplanetary medium
我們太陽(yáng)系由普通恒星? ?太陽(yáng)、九大行星（水星、金星、地球、火星、木星、土星、天王星、海王星和冥王星）和各大行星的衛(wèi)星、數(shù)量眾多的彗星、小行星、流星以及行星間的介質(zhì)組成。 - In 2003 , peak activity is expected to occur on 18 november . because meteoroids are unevenly distributed along their paths around the sun and gravitational pull from nearby planets may perturb their orbits , the time of peak activity and the number of meteors cannot be predicted exactly
由于流星體是不均勻地分布在環(huán)繞太陽(yáng)的軌跡上，往往受行星引力的影響而令軌道產(chǎn)生變化，因此要準(zhǔn)確地預(yù)測(cè)流星雨高峰值出現(xiàn)的時(shí)間及流星數(shù)目是很困難的。
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