When their food supply is sufficiently large, the lemmings live a normal, undisturbed life.
当食物供给量足够大时，旅鼠过着正常、不受干扰的生活。
For his contributions to the world food supply, Borlaug was awarded the Nobel Peace Prize in 1970.
由于他对世界粮食供应的贡献，博洛格于1970年被授予诺贝尔和平奖。
When the lemmings' food supply becomes too low to support the population, a singular migration commences.
当旅鼠的食物供应不足以维持种群时，一次特别的迁徙就开始了。
It's very easy for people to exceed the standard of dietary recommendations given what the modern food supply is.
在现代食物供给下，人们很容易就超过了建议饮食的标准。
However, when the lemmings' food supply becomes too low to support the population, a singular migration commences.
然而，当旅鼠的食物供应变得太少而无法维持种群时，一次特别的迁徙就开始了。
Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.
更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。
During the early stages of its development, a society becomes aware of forces that appear to influence or control its food supply and well-being.
在社会发展的早期阶段，社会会意识到有些力量可以影响甚至操控他们的食物供应和幸福生活。
Rising population combined with improved nutrition standards and shifting dietary preferences will exert pressure for increases in global food supply.
人口增长、营养标准提高和饮食偏好转变将对全球粮食供应施加压力。
One option for moving toward both biodiversity and terrestrial food supply goals is to produce greater yields from less land, thereby freeing land for conservation purposes.
实现生物多样性和陆地食物供应目标的一种选择是用更少的土地生产更高的产量，从而腾出土地用于保护目的。
In addition, it is likely that small live animals in the advected water might be killed or stunned by thermal and/or chemical shock, thereby contributing to the food supply of vents.
此外，喷出水体中的小型活体动物很可能被热冲击和/或化学冲击杀死或击昏，从而增加了喷口的食物供应。
They are at the end of their food supply.
他们的食物储备已消耗殆尽。
The first few decades of his life were met with major social events, and a rapidly growing population that made food supply not last all the time.
在他生命的头几十年里，他遇到了一些重大的社会事件，并且快速增长的人口使食物供应无法一直维持。
They break up nature's food supply chain.
它们破坏了大自然的食物供应链。
That is about 30% of the yearly food supply.
那大约是全年食品供应的30%。
Yuan Longping cared for people's food supply around the world during his life.
袁隆平一生都在关心世界各地人民的粮食供应。
If farmers can start planting rice in salty water, China's food supply will surely rise.
如果农民可以在盐水中种植水稻，中国的粮食供应一定会增加。
日本的食品供应是安全的。
We need to double food supply by 2050.
我们需要到2050年把食品供应加倍。
Food supply is another constant worry.
食物供应是另一个经常性的忧虑。
But increasing the food supply isn't easy.
但实际上增加食品的供应并不简单。
Such variations in food supply have several causes.
这种在食物供给方面的变化有几个原因。
The HAB galley will accommodate a 14 day food supply.
居住舱的厨房要提供14天的食物给养。
The HAB galley will accommodate a 14 day food supply.
居住舱的厨房要提供14天的食物给养。
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