And I have a certain velocity, and I keep that velocityconstant.
我有一定速度，且保持那个恒定速度。
2
In chemical kinetics, the measurement of velocityconstant of sucrose hydrolysis by polarimetry is a typical experiment.
旋光度法测定蔗糖水解反应速度常数是动力学的一个典型的实验。
3
Paving asphalt of AH-70 has higher reaction active energy, less reaction velocityconstant, lower aging velocity and better aging resistance performance than that of paving asphalt of AH-90.