The requirement on speed actuation is refined by the possible selection for speed: slow, medium, or fast.
快速启动的需求由可能的速度选择细化：慢速、中等或快速。
2
We have incorporated genetics, and expanded and refined our understanding of natural selection, and of the other forces in evolution.
我们已经吸纳了遗传学，扩大和完善我们对于自然选择及其它进化力量的理解。
3
Miantai uniform throughout the formation, breathable warmth. No static. Environmental health, quality selection of fabrics from cotton cloth refined. Distinguished and elegant.