descents

英 [dɪˈsɛnts]

美 [dɪˈsɛnts]

n.  下降; 下倾; 斜坡; 坡道; 血统; 祖籍; 祖先; 出身
descent的复数

柯林斯词典

• N-VAR 下降;降落
  Adescentis a movement from a higher to a lower level or position.
  1. Sixteen of the youngsters set off for help, but during the descent three collapsed in the cold and rain.
     16 名年轻人出发去寻求帮助，但在下山过程中有 3 人因寒冷和大雨晕倒了。
  2. ...the crash of an Airbus A300 on its descent into Kathmandu airport.
     空客 A300 在加德满都机场降落时的坠毁
• N-COUNT 斜坡;斜面
  Adescentis a surface that slopes downwards, for example the side of a steep hill.
  1. On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.
     在坡道上，自行车手飞驰着超越了一辆辆汽车，靠着惯性一路疾冲下山。
• N-SING (形势的)恶化;(人的)堕落，沦落
  When you want to emphasize that a situation becomes very bad, you can talk about someone's or something'sdescentinto that situation.
  1. The only lasting solution lies in a political settlement. Without it, their descent into chaos will be guaranteed.
     唯一的长久之计是通过政治手段解决。否则，他们势必会陷入一片混乱。
  2. ...his swift descent from respected academic to struggling small businessman.
     他从一名受人尊敬的学者到一个度日艰难的小商人的瞬间沦落
• N-UNCOUNT 血统;家世;出身
  You usedescentto talk about a person's family background, for example their nationality or social status.
  1. All the contributors were of African descent.
     所有的撰稿人都是非裔人士。

双语例句

• The results indicate that some factors, such as home-country's political system, economic scale, labor cost, lending cost, number of Chinese descents, geographic distance and bilateral trade, are important for FDI into China.
  实证分析结果表明，投资来源国的政治体制、经济规模、劳动力成本、借贷成本、华裔人数、与中国的距离和双边贸易流量是影响其对中国直接投资的主要因素。
• On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.
  在坡道上，自行车手飞驰着超越了一辆辆汽车，靠着惯性一路疾冲下山。
• The enemy will not have strength to repeat such descents often.
  敌人没有经常进行这种空降的力量。
• Which are so pleasant and so easy as descents to mental ineptitude.
  它是如此地令人惬意和自在，如同滑向智力低能一样。
• Avoid steep ascents, descents or ramps wherever possible.
  尽可能避免较陡的上坡、下坡或斜坡。
• This not only proves the conservation of the energy for generated elastic waves, but also mutually reflects that approximate expressions of wave fields obtained from the method of the steepest descents are correct.
  这不但证明了固体表面法向力条源激发弹性波时能量的守恒，而且也进一步映证了用稳相法得到的远场声场的正确性。
• The book is full, you will see, of a number of descents and ascents.
  你们将会读到，本书充满一些下降与上升的句子。
• Yanqing National Park, which has the only substantial mountain near Beijing, was chosen for Alpine skiing, which requires longer runs and steeper descents.
  延庆国家公园拥有北京附近唯一的一座大山，被选作高山滑雪项目的场地，因为这项运动需要较长的雪道和较陡的下坡。
• But BP network is based on the gradient method to determine the weights, and the gradient descents are inherently vulnerable to the effects of local minima.
  但BP网络是基于梯度的方法确定权值，而梯度下降法本身就很容易受到局部极小点的影响。
• The functional formalism for the effective potential is briefly reviewed for the case of a scalar field theory by using the method of steepest descents.
  本文首先在标量场论的情形下，用最速下降法对有效势的泛函形式作了简要的评论。