A study showing a strong viral association with CFS could change that equation.
一项研究表明慢性疲劳综合症与一种强有力的病毒有关，这可能改变争论的形势。
Impulse and momentum change; rocket equation; origin of pressure from random motion.
冲量，动量的改变；火箭方程；随机运动的压力作用点。
Plug a serious recession into the equation, however, and things change. Dramatically.
但是严重的经济危机，加在这个等式上面，那么事情就发生显著的变化了。
This chemical change can be expressed by an equation.
我们可用反应式表示这种化学变化。
This chemical change can be expressed by an equation.
我们可用反应式表示这种化学变化。
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