Research has shown that just three rows of trees near poultry houses can reduce the release of dust and ammonia.

VOA: special.2009.09.08

Any time you can reduce something to a previously solved problem, that's good.

这是件好事，这个是我们要学习的,重要内容，人们往往不会首先。

麻省理工公开课 - 计算机科学及编程导论课程节选

For any given level of return, you can reduce the risk; for any given level of risk, you can increase the return; sounds pretty good.

给定回报率,可以降低风险,给定风险水平,可以提高回报率,听上去不错

耶鲁公开课 - 金融市场课程节选

Studies have shown it can reduce the body's ability to fight disease and lead to serious health problems.

VOA: special.2009.03.24

We've found that stimulation, electrical stimulation deep in the brain can help patients that have Parkinson's Disease and can reduce the tremors and loss of muscle control that many patients with Parkinson's Disease use.

我们已经发现,这种脑部深层的电刺激,可以缓解帕金森氏症患者的症状,如震颤和肌肉丧失控制,许多帕金森氏症患者都使用这种疗法

耶鲁公开课 - 生物医学工程探索课程节选

Scientists at the agroforestry center say the use of fertilizer trees can reduce the need for chemical nitrogen by up to three-fourths.

VOA: special.2009.09.01

You can either think of it as an arrow and imagine the arrow, or you can reduce it to a pair of numbers, x and y.

你既可以用有向线段来表示,也可以用一组数字来表示,x 和 y

耶鲁公开课 - 基础物理课程节选

This form of grazing can reduce the need for pesticide treatments by reducing the growth of weeds.

VOA: special.2010.01.19

You can photo-reduce.

你也能照相缩小。

麻省理工公开课 - 固态化学导论课程节选

Early identification and drug treatment of malaria can reduce the severity of the disease and prevent death.

VOA: special.2010.04.20

OK. t of 1 I can also reduce.

那么t也可以推出来。

麻省理工公开课 - 计算机科学及编程导论课程节选

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

.. If you can find assets that all have-- that are all independent of each other, you can reduce the variance of the portfolio very far.

如果你能找到这样的一些资产-,一些相互独立的资产，就能很大程度上缩小这个投资组合的方差。

耶鲁公开课 - 金融市场课程节选

Composting can reduce the amount of garden and cooking waste that would otherwise go into public landfills.

VOA: special.2009.06.23

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选

Scientists are working to develop crop plants that can reduce the amount of water used for agriculture.

VOA: special.2009.03.23

There's a very important principle that finally comes out here, it is that you always want to reduce the variance of your portfolio as much as you can.

现在这里有一个非常重要的原则，即你总是想要降低你投资组合的方差,降得越低越好。

耶鲁公开课 - 金融市场课程节选

Scientists are working to develop crops that can reduce the amount of water used for agriculture.

VOA: special.2009.01.20

Current treatments for rheumatoid arthritis can reduce pain, but they do not work for everyone.

VOA: special.2010.05.19

More differences,or diversification, could better protect crops against climate changes that can reduce production.

VOA: special.2009.03.23

More differences could better protect crops against climate changes that can reduce production.

VOA: special.2009.01.20

Deep brain stimulation can reduce the need for levodopa and other drugs.

VOA: special.2009.04.07

So aspirin can reduce pain and swelling in damaged tissues.

VOA: special.2009.10.20

If we can get midwifery coverage out there, we can reduce maternal and infant morbidity and mortality by 90 percent.

VOA: standard.2010.06.15

It says educating communities to better identify people at risk of suicide and encouraging those at risk to seek help can reduce suicides among people with mental illness.

VOA: standard.2009.09.10

In contrast,a light bulb has much more impact in the use phase, where it's using the energy, and where you can reduce that with more efficient lighting technologies,"

VOA: standard.2009.03.30

"If we can reduce some of the capacity on the tube network in the center of London and some of the buses, then that's a good thing."

VOA: standard.2010.07.30

"I think that by having people adopt a healthy lifestyle, both from a medical standpoint as well as nutritional and cognitive stimulation standpoint, that we can reduce the incidence of cognitive decline, which will be proof that these factors are, in fact,important."

VOA: standard.2010.06.17

Tax-exempt means donors can claim their donations on their tax returns and possibly reduce the amount they owe the government.

VOA: special.2009.11.02

Using nets that let smaller fish escape and agreeing not to fish in certain areas can help reduce overfishing.

VOA: special.2009.08.11