railroad flat 中文意思是什麼

railroad flat 解釋
（沒有各間分別進出的走廊的）一間接一間的套房，列車式套房。

  • railroad : n 〈美國〉1 鐵路。 ★英國說 railway; 市內輕軌鐵路美國也說 railway。2 【火箭】軌道設備，滑軌裝置。3...
  • flat : n 1 〈英罕〉地板；（房屋的）一層。2 一套房間；〈pl 〉分宅公寓〈美國高級公寓叫 apartment house〉。...
  1. To work out a mathematical relationship of the “ dopplereffect ” ， relating the pitch to the relative motion of source andobserver ， the austrian scientist christian johann doppler placedtrumpeters on a railroad flat car and musicians with a sense ofabsolute pitch near the tracks. a locomotive engine pulled theflat car back and forth at different speeds for two days. themusicians on the ground “ recorded ” the trumpet notes as the trainapproached and as it receded

    為了計算出「多普勒效應」的一個數學關系，即音調和運動中的聲源和觀察者之間的相對關系，奧地利科學家克里斯蒂?約翰?多普勒讓幾位吹號人坐在一節平板火車上，讓幾個對音調特別敏感的音樂家坐在鐵軌附近。
  2. The prairie, across which the sledge was moving in a straight line, was as flat as a sea. it seemed like a vast frozen lake. the railroad which ran through this section ascended from the south - west to the northwest by great island, columbus, an important nebraska town, schuyler and fremont, to omaha

    平原象是一個遼闊無邊的結冰池塘，在這個地區這一條由西南向西北延伸的鐵路，經過大島和內布拉斯加州的重鎮哥侖布斯，再經過休列爾弗列蒙，最後到達奧馬哈。
  3. Analysis of wireless flat surface train control system of mine railroad

    礦山鐵路無線平面調車指揮系統探析
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