He began to receive urgent requests from poor countries where population growth was more than the food supply could feed.

VOA: special.2009.11.10

Separating our water supply from sewage and learning how to do wastewater treatment was a really important part of reducing infectious diseases.

把净水和污水分开,以及学会污水处理的方法,是减少感染性疾病传播方法中的重要部分

耶鲁公开课 - 生物医学工程探索课程节选

So, this is what goes on in an electrolysis cell, and it works thanks to input energy from a power supply shown here.

所以，这是在一个电化学电池中发生的，它是靠输入的能量工作的,从和这个类似的电源输出的能量。

麻省理工公开课 - 固态化学导论课程节选

This Friday, officials from FAO member countries will meet in Rome to discuss current supply and demand for grains and rice.

VOA: special.2010.09.21

And then you can look at food disappearance data and that's sort of a connection with the food production data: not so much how much is produced but how much of it is disappearing from the--the food supply.

然后看看食物消耗的记录,会与食物生产的数据,有某种联系,与其看在食品供应中生产了多少,倒不如关注被消费了多少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He worked with parts that he bought from an auto supply store and a Wal-Mart store.

VOA: special.2010.07.20

Many companies use these electronic tags to follow products through the supply chain from the manufacturer.

VOA: special.2010.03.01

Later an agreement was signed with Mexico to supply it with water from the Colorado River.

VOA: special.2009.08.12

This suggests processes that both supply and remove methane from the atmosphere in certain places.

VOA: special.2009.12.30

The electricity comes from a small power supply placed under the skin in the chest.

VOA: special.2010.10.26

The camp was so large that a man had to have one week's supply of food when walking from one side of the camp to the other.

VOA: special.2009.01.24

They are so used to getting stuff from the supply sergeant that the clerk had to throw the suits on the floor before these guys would try them on.

VOA: special.2009.03.09

But from the time the organization was established in 2001, the supply has sometimes been as low as 40,000 units.

VOA: standard.2010.06.04

The entire supply chain can be affected, from farmers to wholesalers to merchants selling rice in local markets.

VOA: standard.2010.04.29

The Institute for Supply Management's service index registered 46.4 percent in July, down from 47 percent in June.

VOA: standard.2009.08.05

He says supply shortages and badly maintained pipes keep water from getting where it is needed.

VOA: standard.2010.08.04

"I think the situation has improved not just from the arms supply, I think from the people's participation in the area that is the important factor,".

VOA: standard.2009.08.31

In the report, called "Heads in the Sand", the group says a serious decline in the supply of oil coupled with increasing demand and few new projects planned, means the world needs to move away from oil.

VOA: standard.2009.10.20