This is a fast reaction;

这是一个快速反应；

youdao

The experimental and testing results show that the developed SCA has a fast reaction velocity, a big expansive pressure strength and good weather resistance.

试验研究及检测结果表明，所开发的静态破碎剂反应速度快，膨胀压力大，耐侯性好。

youdao

Results AND CONCLUSION: The temperature control results showed that improved PID control algorithm could control temperature precisely, with a fast reaction velocity.

结果与结论：通过温度控制实验证明，改进的PID控制算法能精确地控制温度，反应速度快，能很好地应用于该控制模式。

youdao

So, that's kinetics -- how fast a reaction will go, and from the perspective of someone who's a biochemist, I'm interested in kinetics and enzyme kinetics, and thinking about molecules that catalyze reactions in the body.

所以这就是动力学，一个反应发生的有多快,从一个生物化学家的角度,我喜欢研究动力学,酶动力学。

麻省理工公开课 - 化学原理课程节选

Pop culture is being made, remade, remixed, rebooted and churned up so fast that, sometimes, the only reaction is a slightly exasperated, seen-it-all-before sigh.

CNN: Entertainment 2012: The year of 'meh'

Nineteen days after the wreck, its massive oil slick hit western Guernsey and in a reaction similar to the Cornish the authorities decided to act fast.

BBC: Torrey Canyon seabed returns to normal after oil spill