火焰之速 的英文怎麼說
中文拼音 [huǒyànzhīsù]
火焰之速
英文
agility of fire-
A catbird, the northern mocker, lit in a tree over tom s head, and trilled out her imitations of her neighbors in a rapture of enjoyment ; then a shrill jay swept down, a flash of blue flame, and stopped on a twig almost within the boy s reach, cocked his head to one side and eyed the strangers with a consuming curiosity ; a gray squirrel and a big fellow of the " fox " kind came skurrying along, sitting up at intervals to inspect and chatter at the boys, for the wild things had probably never seen a human being before and scarcely knew whether to be afraid or not
有一隻貓鵲一種北方的學舌鳥在湯姆頭頂上的一棵大樹上落下來，模仿著它附近別的鳥兒的叫聲，叫得歡天喜地。隨后又有一隻?鳥尖叫著疾飛而下，像一團一閃而過的藍色火焰，落到一根小樹枝上，湯姆幾乎一伸手就能夠到它。它歪著腦袋，十分好奇地打量著這幾位不速之客還有一隻灰色的松鼠和一隻狐貍類的大東西匆匆跑來，一會兒坐著觀察這幾個孩子，一會兒又沖他們叫幾聲。He plucked the box out of the fire before the flames caught it
在火焰燒著那個盒子之前，他迅速地把它從火里抱了出來。( 3 ) a testing system consisting of pressure transducers, data - collecting card, computer and electrical - ignition instrument was designed and a flammable gas cloud deflagration experimental system was developed. based on the orthodoxy experiments, the experiments was conducted on c2h2 - air flame acceleration resulted from hemispherical porous barriers in hemispherical gas cloud. the relations between the explosion overpressure and its influence factors were summarized
（ 3 ）本文設計了由壓力變送器、數據採集卡、計算機和電火花裝置組成的測試系統，建立了可燃氣雲爆燃實驗系統；以化學計量濃度的乙炔-空氣混合物為實驗介質，在正交實驗的基礎上，對半球形氣雲內部與氣雲同心的半球形多孔障礙物對火焰的加速作用進行實驗研究，並歸納出爆炸超壓與其影響因素之間的關系；同時還考察了障礙物數量對爆炸超壓的影響。
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