prep. minus
n. subtraction
vt. subtract
曼迪从死亡的日期减去了出生的日期。
她试图减去一英石的体重。
9%的利息减去7%的通货膨胀等于2%。
9 percent interest less 7 percent inflation equals 2 percent.
254 So, basically all we did was take 12 54, 22 subtract 12 32, and we got 22 electron volts.
基本上我们所要做的全部也就是用,减去,1232,这样就得到了。
So this delta energy here is very simply the energy of the initial state minus the energy of the final state.
很简单的,这个能量差等于,初始能量减去末能量。
That's the important message, delta H of formation of the products, minus delta H of formation of the reactants.
去反应物的生成焓,这,是个重要的信息,生成物的生成焓,减去反应物的生成焓。
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