track expansion 中文意思是什麼

track expansion 解釋
線路擴建
  • track : vt 用纖拉船。vi 拉纖行駛。n age 拉纖。n er 拉纖的人。n 1 軌跡，輪跡，航跡，痕跡；〈pl 〉足跡。2 ...
  • expansion : n 1 張開，伸展。2 擴大；擴建；展開；發展。3 廣袤，遼闊。4 擴張物，擴大部分。5 （講題等的）詳述，...
  1. Based on the regression model which was built on vorticity field eof expansion with stepwise discriminatory analysis, track forecast tests for bilis and kai - tak affecting china in 2000 were carried and good results are obtained

    用此模型，對2000年影響我國的兩個臺風bilis和kai - tak進行路徑預報試驗，得到了良好的結果。
  2. 1. assuming prismatic cross - section in the direction of the track, when the difference of the characteristic of soil along track is slight, and then processing expansion in wavenumbers along this direction

    為此，本文主要研究了以下幾個方面： 1 、在考慮軌道方向上地基土性質差別不大的前提下，取列車移動方向為相同的截面，並沿這個方向進行波數展開。
  3. The expansion soil on yangan railway roadbed cause many diseaseses, such as mud pumping, ballast pocket and settlement and extrusion, etc. when being serious there are too mud on sleeper and roadbed to walk on it, it is hard to keep the size of geometry of the track and often cause the car shaking and influence the security of the driving seriously

    由於路基土質所特有的不良的工程性質。使陽安線基床病害十分嚴重，其中基床翻漿及下沉十分突出，它直接影響到軌道的穩定。使軌道幾何尺寸難以保持，經常造成晃車，一到雨季軌道面上及道床上全是泥漿以致無法行走，行車安全受到嚴重威脅。
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