根据第三段第三句T he time to enter the atmosphere, descend and land is relatively short, not to mention that the great distance fromthe Earth(on average 254 million kilometers)makes direct control impossible.(进入大气层、下降和着陆的时间相对较短,更不用说其与地球之间的遥远距离(平均2.54亿公里...
The consideration of exoplanets leads to the notion of habitability and the Goldilocks principle, which refers to the children's story "The Three Bears". It is explained that two conditions that allow planet Earth to retain its atmosphere are its relatively large mass and safe distance from the...
a别怕!大雪过后的太阳会温暖大地 Do not fear! Heavy snow from now on sun will be able to warm earth[translate] a从整体上 Overall[translate] a它歌颂了画工神笔神笔张和张英娘的光辉形象 It eulogized picture labor god pen god pen Zhang Hezhang the England mother's glory image[translate] ...
当然就可以只用一个表达另一时空点的标志词“from/ to”即可。可是，如果我们不把交际自身看做一个点...
aThe atmosphere is divided into several layers on the basis of temperature. Of these, the most significant are the troposphere, extending in altitude from the earth’s surface to approximately 11 kilometers (km); and the stratosphere, from about 11 km to approximately 50 km. 大气被划分成几...
1.Then thezenith distanceand slope distance can be worked out even if the effects of erect refraction of atmosphere does exist, thus extending the adaptability ofzenith distanceand enhancing its accuracy in trigonometrical leveling.本文通过分析大气密度与大气垂直折光系数的关系 ,推导出消除了大气垂直折光...
and atmosphere, the ongoing signatures of infinity. Rays from the sun excite and energize the atmosphere of the earth, awakening it to flow, to movement, to rhythm, to life. The wind then speaks the message of the sun to the sea and the sea transmits it on through wa 正在翻译,请等待...
van Altena in 1995. But the flickering effect caused byEarth's atmosphereand the distortion of the telescope observations caused by Earth'sgravityprevented astronomers from reaching a precision better than about 0.01 arcseconds (one arcsecond is an angular measurement equal to 1/3600 of a degree)...
Of all the planets, Mars is the nearest to the earth. D. All the planets are much farther to the earth. (3) From the passage, we can guess ___. [ ] A. there is life on Mars B. there is no life on Mars C. the atmosphere of Mars is not so dense as that of Venus...
The speed of sound will change if the air density changes. Since air density changes in the Earth’s atmosphere are directly related to changes in air temperature (measured in Kelvins), an ultrasonic distance sensor is compensated by incorporating an air temperature sensor. ...