一减一等于零。
它还允许您对两个统计数据执行诸如加、减、乘、除等数学运算。
It also lets you perform mathematical operations like addition, subtraction, division, and multiplication on two statistics.
原因在于，当碳被标价时，那些实行的减排措施中成本最低的将会先实施。
The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.
在某些情况下，您必须考虑加或减的小时数；在其他情况下，无需进行调整。
In some cases, you must account for the hour added or subtracted; in other cases no adjustment is needed.
随着各国继续设定减排目标，需要采取更有力的措施才能使其周围环境产生显著影响。
As countries continue setting goals of reducing emissions, greater steps need to be taken to have a noticeable effect on the surrounding environment.
原子性使得这两个操作——从储蓄帐户减钱和向支票帐户加钱——被当作单个事务处理。
Atomicity enables the two operations—the subtraction from the savings account and the addition to the checking account—to be treated as a single transaction.
她做过13次手术，包括1次腹部减脂。
贸易逆差不增反减使得大多数分析家大吃一惊。
The trade gap surprised most analysts by shrinking, rather than growing.
该计划将帮助你在第1周减3到4磅，其后每周减1到2磅。
The plan will help you lose 3-4 pounds the first week, and 1-2 pounds the weeks thereafter.
他们会增重而不是减重。
当我节食的时候，我只吃水果，这样可以快速减重。
When I go on a diet, I eat only fruit, and that takes off weight quickly.
即使是一个瘦形梁龙，曾经被认为在活着的时候重达5.5吨，现在也减重了1.5吨。
Even a slender diplodocus, once believed to have tipped the scales at five and a half tonnes when alive, has lost a tonne and a half from its weight.
《京都议定书》为各国设定了不同的减排义务，规定各国应相应地减少各自的温室气体排放总量。
The Kyoto Protocol, which set different duties for all countries to cut emissions, states that different countries should reduce their collective greenhouse emissions accordingly.
不要介意，即使在今后十年这样一段时间里，全球最严厉的碳减排也不能在最轻微的程度上影响冰融。
Never mind that even drastic world-wide reductions in carbon emissions that wouldn't have the slightest affection ice melt over the next decade or so.
另一组参与者在观看视频片段时必须从1000开始倒数，依次减9，这占据了他们有意识的工作记忆。
Another set of participants had to count backward from 1,000 by nines as they watched the clips, occupying their conscious working memory.
然而，该协议明确指出，发达国家和发展中国家在减排责任上没有正式的区别，这实际上忽略了历史排放。
However, the agreement specifies that there is no formal distinction between developed and developing nations in their responsibility to cut emissions, effectively ignoring historical emissions.
该国仍希望实现其排放目标，比如到2020年减排40%，但该国对电动汽车的接受没有预期中的那么快。
The country is still hopeful that it will meet its emissions goals, like reducing emissions by 40% by 2020, but the acceptance of electric cars in the country has not occurred as fast as expected.
虽然一些国家在这方面取得了显著的成果，但大多数国家就连降低（碳排放的）增长率都很难，更别说减排了。
While a few countries are making major strides in this regard, the majority are having great difficulty even stemming the rate of increase, let alone reversing it.
尽管奥巴马的二氧化碳减排计划是必要的，但这远不是免费的，无论他在这个问题上发表的充满希望的演讲可能会暗示什么。
Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.
尽管奥巴马的二氧化碳减排计划是必要的，但无论他在这个问题上发表的充满希望的演讲可能会暗示什么，这远不是免费的。
Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost free, whatever his sunny speeches on the subject might suggest.
既然锻炼可以降低患这种疾病的风险，促进平衡，有助于减重，形成更好的睡眠习惯，甚至令你更自信，那你下一步就可以开始锻炼。
Since exercise can reduce the risk of diseases, improve balance,help lose weight, better sleep habits and even make you confident, you can start a fitness program in the following steps.
萘系与三聚氰胺系减水率较低。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency.
平均失业期及普遍失业期也减短了。
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