Atoms have equal Numbers of protons and electrons, so have no net charge.
由于原子内的质子数与电子数相同，所以原子不带电荷。
If I short the one-period bond it cancels out, so I've made no net purchase in 1925.
卖空一单位一年期债券则刚好抵消，所以我在1925年的净买入为零。
So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.
因此如果我们把它们都加起来，这个分子上应该没有净电荷，如果这个分子是中性的话。
Now the last thing is that because the neutron has no net charge, we can change neutron number.
现在，最后一件事是，因为中子没有净电子，我们可以改变中子数。
According to HSBC, this year there have been no net inflows into American money-market mutual funds.
据汇丰银行称，今年美国货币市场共同基金没有出现净流入。
Momentum is conserved, because there was no net external force, so now kinetic energy is also conserved.
动量是守恒的，因为它不受外力，因此动能也是守恒的。
Future cities will be "new garden cities," emitting low or no net carbon, productive and conservation-minded.
未来的城市应是新型的“花园城市”，排放小或者净排碳量为零、高产、具有良好的保护动植物的意识。
No mesh, no net, adopt science and technology air separator designed, fineness is adjustable, easy to operate.
无筛无网，采高科技空气分离设计，粗细可任意调整，操作方便。
Meanwhile the authorities behind the national university entrance exam recently made a new rule: No Net slang.
同时，最近全国大学生入学考试权威机构颁布了一条新的规定：“禁止使用网络俚语。
And if there is no net external force on the system as a whole during the collisions, then momentum is conserved.
若没有外力，作用于系统整体，在碰撞过程中，动量就是守恒的。
One of his scenarios is that in 15 years' time companies will have saved so much that they will have no net debts.
他的方案之一就是15年时间公司将储蓄足够的钱，这样就不用负债了。
The third of Germans who think the country is overrun with foreigners feel vindicated, though there is no net immigration.
尽管德国没有计算过净迁入人数，但德国的底层人民认为外国人泛滥成灾了，从而感到身心得到解放。
The net effect is in fact slightly negative, but given the margin of uncertainty the bottom line is roughly no net effect at all.
事实上，净效应还略呈负面，但考虑到其中存在的不确定范围，归总起来大概就是没有任何净效应。
When a suBstance has no net electrical charge, the total numBers of positive and negative charges within it must just Be equal.
当物质没有净电荷时，它内部的正负电荷总数必定正好相等。
Though more workers will be employed, each will be working fewer hours, and there will, therefore, be no net increase in man-hours.
尽管雇用的工人多了，但每人工作的时间将减少，总工时并无增加。
"This was followed by considerable scientific debate in Australia, because no net decrease of precipitation was clearly evident," he says.
“这引起了澳大利亚科学界的争论，因为并没有明显的降水量净减的证据，”他说。
House is a small scale. Only the room inside the building, there is no net access. Rooms and function normally correspond to be broken.
住宅规模很小。建筑内部只有房间，没有纯通道。通常的房间与功能的对应被打破。
Both exports and imports fell sharply, leaving no net impact on GDP (lower imports raise the calculation of GDP, while lower exports reduce it).
出口和进口都急剧减少，但最终没有影响GDP，因为较低的进口增加GDP的同时，较低的出口减少了它。
There is no net gain when a country moves forward on some disease-specific targets only to fall backwards on many other basic indicators for health.
如果一个国家仅在一些特定疾病目标方面取得进展，但在许多其它基本健康指标方面出现倒退，就没有净收益。
And so the net, the sum of all forces on that object there is no net force on that wheel but there is a net torque, and that's why it's going to precess.
所以综合，物体受的所有力，车轮不会受到净力，但是有一个，净作用力，那就是我要推进的。
It's likely that these two antagonistic effects will out-balance each other, so there will be no net effect of sodium reduction on people with normal blood pressure.
很有可能这两个对立的效果彼此不平衡，所以正常血压的人减少钠的摄入没有有效效应。
So now that means if this is where the center of positive excess charge lies and on top of it is the center there is no displacement of the charge so there is no net dipole.
所以现在我们说，如果正电荷中心，就位于，那么还是在这里负电荷中心也在这里，所以没有空间偶极。
Left to themselves they would recombine, producing no net change, but some of the hydrogen leaks out of the atmosphere into space, leaving oxygen—the paradigmatical oxidiser—behind.
氢和氧再次结合成水，过程没有任何变化，不过一些氢会逃离火星大气层进入太空，只留下典型的氧。
Make petrol out of plants in a sufficiently clever way and you can drive around with no net emissions of carbon dioxide as well as no net payments to the mad, the bad and the greedy.
以高效聪明的方式从植物中提取汽油，你开车就不会产生二氧化碳了。
With no net immigration, and fertility rates more or less where they've been for the past 35 years, the Bureau of Statistics estimates that our population in 2050 would be roughly the same as now.
刨去移民因素，如果生育率和过去35年持平的话，统计局估计到2050年时候，我们的人口将和现在差不多。
There is no chance that will change anytime soon, even if the government creates a better social safety net and successfully encourages greater consumer spending.
即使政府创造了一个更好的社会保障体系，并成功地鼓励更多的消费支出，这种情况也不可能在短期内改变。
Unfortunately there is no real way of comparing the impact of each variable, and so there is no real way of judging the net effect.
不幸的是，没有实际的方式来比较每一变量的影响，因此没有实际的方式评价净影响。
Using net revenue, Fannie would have ranked a lowly No. 94 this year.
以净营收计，房利美今年的排名可能低至第94。
An increase in net exports has accounted for no less than two-thirds of Germany's total GDP growth over the past decade, far more than any other big economy.
德国过去十年中的GDP增长总值至少有三分之二归功于净出口的增加，这个数据比其他任何大型经济体的都要大。
An increase in net exports has accounted for no less than two-thirds of Germany's total GDP growth over the past decade, far more than any other big economy.
德国过去十年中的GDP增长总值至少有三分之二归功于净出口的增加，这个数据比其他任何大型经济体的都要大。
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