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- In non-conservative system, what is the propagation speed of waves is unclear. 在非保守系統中,波的傳播速度還是個不十分清楚的問題。
- It can reflect the flame propagation speed and evaluate the explosion intension. 計算出的分形維數是衡量湍流火焰傳播速度以及爆炸強度的有效參數。
- Like light waves, acoustic (sound) waves are characterized by a frequency, wavelength and propagation speed. 聲波就和光波一樣，是以頻率、波長和傳播速度為其特徵。
- By deep analysis of the worms, the proportional relation between the propagation speed of worms and the scale of network is found. 摘要通過對蠕蟲的深入分析，發現了蠕蟲的傳播速度與網路的規模具有一定的關係。
- Furthermore, the non-dimensional propagation speed of an ISW declines and the dissipation of wave energy increases as the blockage parameter increases. 隨無因次障礙參數的增大，無因次波速減小，而內波的能量消散增大。
- On the basis of experiments, the influence of impressed electromagnetic field on flame propagation speed and overpressure in gas explosion was investigated. 在實驗的基礎上,研究了外加電磁場對瓦斯爆炸過程中火焰傳播速度和超壓的影響。
- The time of reaching full developed fire, flame propagation speed along vertical direction and horizontal direction, and the law of fire load influencing on fire development are derived. 得出該類商品發生火災時達到旺盛期的時間、垂直方向和水平方向火焰傳播速度以及火災載荷對火災發展影響的規律。
- According to aerdynamics,ignition process of the laser-supported-detonation (LSD)wave is analyzed and the expressions of the propagation speed, pressure and internal energy of laser-supported-detonation (LSD) wave are derived. 本文首先從動力學出發分析了LSD波點燃過程，導出了LSD波速度、壓力等物理量表達式。
- According to our research, the vertical part of the Coriolis force was balanced by the pressure gradient of interface, furthermore, the Coriolis force itself has no effect on the propagation speed of internal waves. 研究發現,科氏力垂直分量的存在使得內波波面發生傾斜,但對內波速度沒有明顯影響;
- Primary waves were recorded at a mean propagation speed of 55.58 mm/s from UES to upper segment of esophagus ,22.15 mm/s from upper to middle segment,41.12 mm/s from middle to lower segment,and 14.09 mm/s from lower segment to LES. 食管下括約肌的靜息壓為2.;55±1
- The advantages and disadvantages as well as the applicability of various mechanisms were obtained by analyzing flame structure, flame propagation speed and emissions.Dispersion was also analyzed. 通過對火焰結構，火焰傳播速度及污染物的計算與分析，得到了不同機理的優缺點及適用範圍，分析了彌散效應的影響。
- He pushed hard on the brake pedal to avoid a collision. 他使勁踩下煞車踏板以避免撞車。
- The relationship between crack propagation speed of pipelines and the ductile tearing area of the dropweight tearing test(DWTT) specimens was analyzed from the angle of fracture physics in this work. 管道斷裂時的裂縫擴展速度與服役溫度和DWTT剪切破裂面之間存在密切的相關性。本文從斷裂物理的角度對這種相關性的本質進行了分析。
- Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward. 摘要運用波動的經典理論，提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。
- While it is shown that the break propagation speed Cb together with the break plane area may be the third key parameter influencing definitely the time form of unloading function at the source. 也闡明了斷層的破裂速度連同斷層面積一起應是第三個重要影響參量，因為它對震源處卸載的時間函數的形式有決定性的影響。
- He brake his car just in time to avoid an accident. 他及時煞車，避免了一次事故。
- Riding the brake is a bad habit for a driver. 司機把腳放在剎車踏板上是一個壞習慣。
- The brake failed and the car ran into a lamp-post. 剎車失靈了，汽車撞在燈柱上了。
- Firedamp flame propagation rules under obstacles are researched during the gas explosion process.The results show that obstacles have an important affection to the gas flame propagation speed. 該文對存在障礙物的瓦斯爆炸過程中的火焰傳播規律進行了研究,結果表明:障礙物對火焰的傳播速度具有重要影響。
- The brake doesn't grip properly. 剎車不靈了。
