Runners of West African descent, which includes Jamaicans, seem to be built for speed.
包括牙买加人在内的西非人后裔，似乎天生就具有快速奔跑的能力。
Weylandt fell from his bike at high speed during a speed descent about 20km from Rapallo, where the tour's third stage ended.
在距离第三赛段终点拉帕洛只有20公里的地方，他从高速骑行驶的自行车上摔下来。
It records "air data" such as the airplane's speed, heading, altitude, rate of climb or descent, accelerations, and decelerations.
它记录的飞行数据包括飞机的速度、航向、高度、爬升或下降速度、加速以及减速等。
However, BP network with gradient descent has some defects such as low convergence speed, fall in local minima.
然而基于梯度下降的BP网络存在收敛速度慢、易陷入局部极小的缺陷。
To make matters worse: it's easy to hit top speed on a steep descent-and the faster you move, the harder each foot strikes the ground, and the more pounding the muscles endure.
更糟糕的是：落差大，很容易达到最高速度- - -您的速度越快，双脚撞击地面越厉害，肌肉承受的冲击越大。
Since each droplet picked up a slight charge of static electricity as it traveled through the air, the speed of its descent could be controlled by altering the voltage on the plates.
当小油滴通过空气时，就会吸一些静电，油滴下落的速度可以通过改变电板间的电压来控制。
RBF neural network adopts the off-line training and the on-line adaptation of weight and threshold value. In order to speed up the convergence, the grads descent method with inertia item was used.
RBF神经网络采用离线学习在线修正权值和阈值，为加快收敛速度，应用带惯性项的梯度下降法。
Once the single car at high speed in bends or descent cases, the existing driving support system had collapsed.
一旦单车高速行驶在弯路或下坡路段情况下，现存的行驶辅助系统就失去了作用。
Once the single car at high speed in bends or descent cases, the existing driving support system had collapsed.
一旦单车高速行驶在弯路或下坡路段情况下，现存的行驶辅助系统就失去了作用。
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