The biggest upgrades from the original Robonaut are R2's thumb, which now have four degrees of freedom (as opposed to three), and its overall speed, which have improved by a factor of four.

相比原始的机器宇航员，R 2最大的升级是拇指和整体速度；现在的拇指具有四个自由度(之前只有三个)，同时速度通过四个因素进行了提升。

youdao

Cutter is the key factor that affects TBM′s boring speed.

TBM刀具是关系TBM掘进速率的基本要素。

youdao

After the wave's shape, the speed of the break is the most important factor in good surf.

ECONOMIST: On the beach

Clock speed is only one factor affecting processor performance, but it's one that consumers pay close attention to.

CNN: Intel demos Pentium 4 at 2GHz

Speed is also a factor: Cost-plus deals diminish negotiating time once the contractor's fee has been set.

FORBES: The Big Dig