If I make the total energy positive, it's not an ellipse.
如果我让总能量为正，它就不是一个椭圆了。
Total energy must be conserved.
总能量必须是守恒的。
系统有一个总能量。
How does total energy affect a reaction rate?
总能量如何影响反应速率？
If the total energy is positive, the orbit is not bound.
如果总能量为正，轨道就不规则了。
And so this is the total energy, and this is now a constant.
所以这是总功，这是不变的。
Oil used to make up 10% of our total energy consumption.
在我们的全部能源消耗量中石油过去一直占10%。
The percent of the fat in total energy is more than 25%.
蛋白质、热能供给基本满足需要，脂肪热能高于25% ，膳食结构有待改进。
Renewables will only make up 15 percent of total energy by 2020.
可再生能源在2020年只能达到总需求的15%。
What are the maximum potential energy and the total energy?
最大势能和总能量是多少？
Contribute rate of protein and fat in total energy were lower.
能量主要来源为碳水化物，而蛋白质和脂肪供能比偏低；
Total energy demand growth curved by the long lasting recession.
能源的总体需求将受限于缓慢的经济。
Coal currently provides about 28% of the world's total energy use.
现在全世界能源消耗总量的28%由燃煤提供。
High protein formulae contain 20% or more of total energy from protein.
配方含高蛋白质的20%或从蛋白质的总能量更多。
I'm going to write down the conservation of total energy, mechanical energy.
我要写下整体的，能量守恒，机械能。
Industry consumes about 32 percent of total energy, and that share is projected to grow.
工业大约耗费全部能源的32%，这个比例预计还会扩大。
As indicated in 1.21, the radiation energy is a very small proportion of the total energy.
正如在1.21中所指出的，在总能量中，辐射能仅占很少的一部分。
Total energy savings potential up to 30% can be achieved with the integrated machine solution.
总合的节能潜力可达30%透过一体机的解决方案。
Sunspot activity is correlated with the total amount of energy we receive from the sun.
太阳黑子的活动性与我们从太阳那获得的总能量密切相关。
And then the system energy would simply be the total number of molecules times that.
那么系统能量仅仅，是这个平均值乘以总分子数。
Still going to be proportional to the total system energy.
,仍然正比于,系统的总能量。
N The total free energy is just something times n.
整个的自由能是它乘以。
And so the total mechanical energy is conserved.
所以总机械能，守恒。
And you see that there's no change in the total vibrational energy.
但是却没有变化，总的振动能。
Under these conditions, the total mechanical energy remains constant, or is conserved.
在这种条件下，总机械能保持不变或机械能保存。
It's a total waste of time and energy to try.
这简直就是浪费时间和精力。
It's a total waste of time and energy to try.
这简直就是浪费时间和精力。
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