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1·On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.

在下坡道上，自行车手们飞快地掠过汽车，靠惯性极速冲下山去。《柯林斯英汉双解大词典》

2·I no longer want to make such dangerous descents.

我不想再作这么危险的俯冲了。

3·Nightmares, these descents into hell, did they make sense?

噩梦，正如坠入地狱一样的恐怖，它的存在有意义吗？

4·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。

5·This full-size training version of the Soyuz capsule is used to practice launches and descents.

联盟号原尺寸复制的训练舱用来练习发射和降落。

6·Its low approach speed, combined with steep climbs and descents, would make it inaudible outside the airport.

凭借低缓的进场速度以及急剧升降的性能，飞机的声响不会传到机场之外。

7·Previous rovers have deployed parachutes to slow their descents, and have then crashed into the ground using airbags to cushion their impacts.

先前的探测器使用降落伞降低下降时的速度，砸向地面时有安全气囊缓冲撞击的影响。

8·But stand volume descents to a great extent, age class and stand density structure are maladjusted badly, and the number of stand growth is low.

但蓄积量大幅下降，林分的龄组、密度结构严重失调，林分生长量偏低。

9·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。

10·But it is more important not to think lies, or to slide into those mechanical and untruthful habits of thought which are so pleasant and so easy as descents to mental ineptitude.

但是更重要的是不去想谎言，也不陷入无意识的、不诚实的思维习惯，这种思维习惯如此他令人惬意和自在，就象沦为智力低能一样。

下降

1·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。

2·Previous rovers have deployed parachutes to slow their descents, and have then crashed into the ground using airbags to cushion their impacts.

先前的探测器使用降落伞降低下降时的速度，砸向地面时有安全气囊缓冲撞击的影响。

3·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。

(1)gradient descent梯度下降

(1)descent methodn. 下降法

(1)chinese descent中国血统；炎黄子孙

(1)steepest descent method最速下降法；最陡下降法