飛出大氣層 的英文怎麼說
中文拼音 [fēichūdàqìcéng]
飛出大氣層
英文
to enter outer space-
The mantis screamers of the desolate dinares sector were assimilated into the swarm as the mutalisks due to their ability for atmospheric and deep space travel
荒蕪的第納爾星區出產的尖嘯螳螂因他們的大氣層和深空飛行能力而被蟲族同化。Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation
本文的主要研究工作有:系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施;提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型,對高速公路建設中爆破有害因素對鄰近民房安全進行評價,預測民房安全性,提出控制措施;利用bp神經網路模型對民房安全進行預測,並對爆破參數進行優化。The flight characteristics of high altitude long endurance uav are analyzed, several typical kinds of aeronautical weather are ingathered, and the vertical distributing model of large scale windfield is established, traditional numerical simulation methods of atmosphere environment are summarized. 2
分析了高空長航時無人機的飛行特點,統計了幾種的典型航空氣象特徵,並提出大尺度風場的垂直分層型,最後總結了大氣風場的常用數值模擬方法; 2The return of a reusable spacevehicle into earth ' s atmosphere with high - supersonic is gas - heated intensely, which requiring the high performance of thermal protection provided by the hot - structure composite materials
可重復使用空天飛行器以高超音速再入大氣層時受到強烈的氣動加熱,對結構的防熱性能提出了很高的要求。On the first day, when, getting up early in the morning, he came out of the shed into the dawn, and saw the cupolas and the crosses of the new monastery of the virgin, all still in darkness, saw the hoar frost on the long grass, saw the slopes of the sparrow hills and the wood - clad banks of the encircling river vanishing into the purple distance, when he felt the contact of the fresh air and heard the sounds of the rooks crying out of moscow across the fields, and when flashes of light suddenly gleamed out of the east and the suns rim floated triumphantly up from behind a cloud, and cupolas and crosses and hoar frost and the horizon and the river were all sparkling in the glad light, pierre felt a new feeling of joy and vigour in life such as he had never experienced before
第一天,他一大早就起了床,走出棚子,頭一眼就看見新聖母修道院開始還發暗的圓屋頂和十字架,看見覆蓋著塵土的草上的寒露,看見麻雀山的丘陵,看見隱沒在淡紫色遠方的,長滿了樹木的,蜿蜒著的河岸,他覺得空氣清新,沁人肺腑,可以聽到從莫斯科飛越田野的烏鴉的啼叫聲,一會兒,在東方天際邊,突然噴射出萬道霞光,一輪紅日從雲層里漸漸顯露出來。於是,圓屋頂,十字架露水遠方和那條小河所有這一切都在陽光下閃爍,這時,皮埃爾感覺到一種從來都沒有經歷過的,全新的,生活的喜悅和力量。The greater the exhaust velocity is, the faster the rocket travels as it smashes through the atmosphere.
排氣速度越大,火箭在沖出大氣層時的飛行速度也就越快。By analyzing the relation between the refractive index and the temperature and the stress field of the optical window in the aero - dynamic environment, according to the thermal - optical effect and the elasto - optical effect, we obtained the relationship of the index - of - refraction and temperature and stress, and explored the further study method of the aero - optical effect
摘要首先從熱光效應和彈光效應的角度,分析了飛行器在大氣層內飛行時,在氣動熱環境中的材料折射率與溫度場和應力場的關系,得出了溫度和應力對材料折射率的影響關系式,並進而探索氣動光學效應下一步的研究方法。The fairing offered heat and aerodynamic protection for the spacecraft during the initial phase and was no longer required as the second stage had left the dense atmosphere
此時,第二級火箭已飛出稠密大氣層,飛船不再需要整流罩的保護了。It will use radar, balloons and aircraft to look at the role of another sort of high - altitude cloud : cirrus clouds, which get spun off the tops of storms
該工程將使用雷達、熱氣球與大氣層飛行器來研究另一種高端雲的作用,其名為捲雲它是在暴風雨出現時從其頂端意外形成的。Aimed to solve problem of airdefence missile end control invalidation, a new idea of building direct lateral force control in terminal trajectory is presented, and the optimal action position, mode and range are analyzed
(二)直接側向力在大氣層內防空導彈中的應用1 、針對防空導彈末端飛行失控問題,提出了建立末端直接側向力控制的新思路。對直接側向力最佳作用位置、最佳作用方式、最佳應用范圍進行了分析。Their emissions are especially damaging, too ? partly because the nitrogen oxides from jet - engine exhausts help create ozone, a potent greenhouse gas, and partly because the pretty trails that aircraft leave behind them help make the clouds that can intensify the greenhouse effect
他們製造出的排放物質對大氣層的破壞也尤為嚴重? ?這一方面是由於噴氣式發動機工作產生的氮氧化物會促使臭氧的形成,而臭氧是一種強溫室氣體;另一方面是飛機掠過后留下的漂亮尾跡會有助於雲的形成,從而加強溫室效應。分享友人