Few of the world's great rivers that run through grain-growing areas now reach the sea all the year round or, if they do, they do so as a trickle.
世界上那些流经粮食生产区的河流很少有终年奔流到海的，即使有，也是涓涓细流。
What's more, demand for animal products in developing countries is growing so fast that meeting it will require an extra 300 million tons of grain a year by 2050.
此外，发展中国家对动物产品的需求增长如此之快，以至于到2050年时每年将需要额外增加3亿吨谷物才能满足需求。
Yes, the growing middle class wants to eat more meat, which requires more grain, but older people tend to eat less meat, so the demand could be balanced as the population ages.
当然中产阶级越来越多，他们都想吃肉制品，这需要更多的粮食，但是老年人对肉类的需求就没有那么大，所以由于人口年龄化，这个需求也会达到平衡。
The global spike in grain prices over the past year is in large part due to the impact on grain supplies of the growing demand for meat.
过去一年中全球谷物价格的突高，很大程度上是由于肉食需求的增长对谷物供应造成的影响。
Growing global demand for biofuels is also eating up grain production, and boosting prices.
全球性的对生物燃料需求的增加更多地消耗谷物产量并使价格进一步提高。
They have also been blamed for increasing grain demand and pushing up prices at a time of growing threat of famine in some parts of the world.
他们也批评生物燃料的生产增加了对谷物的需求并推高了粮价，并增加了世界上一些地区食物不足的风险。
Agriculture, the base of the economy, remains weak, and it is now more difficult than ever to steadily increase grain production and keep rural incomes growing.
农业基础薄弱状况没有改变，粮食稳定增产和农民持续增收难度加大。
But demand for grain is growing even faster. The council reckons it will reach 1,680m tonnes this year.
但粮食需求的增长更快，今年估计会达到1,680,000,000吨。
But demand for grain is growing even faster. The council reckons it will reach 1, 680m tonnes this year.
但粮食需求的增长更快，今年估计会达到1,680,000,000吨。
A third approach — growing paddy rice aerobically in raised beds — reduces the mobilization of soil arsenite and "can dramatically decrease arsenic transfer from soil to grain," McGrath says.
第三个方法是在培育床上供氧种植水稻，麦格拉思认为，这可以减少动员土壤中的砷，而且“可以大大减少土壤中的砷转移至粮食的量。”
The impact on farmers, struggling after years of recession, will be mixed, with those growing grain benefiting from higher prices and those with dairy farms suffering a fresh blow.
在对抗了几年的萧条之后，对农民带来的冲击是懮喜参半的。种毂物的从毂物价格好得利，养牲口的则面临新的打击了。
Grain exports from Canada and the United States are pieces of the puzzle on how the world is going to feed its growing population.
加拿大和美国的粮食出口问题只是粮食与日益增长的人口的矛盾的一小部分。
He fell asleep again and had a second dream: Seven heads of grain, healthy and good, were growing on a single stalk.
他又睡着，第二回做梦，梦见一棵麦子长了七个穗子，又肥大又佳美。
Wheat prices have staged the most drastic rise in more than 50 years, as a drought in Russia fuels growing worries that it could lead to a global shortage of the grain.
小麦价格出现了50多年来最急剧的上涨，原因是俄罗斯的一场旱灾令人越来越担心可能会造成全球小麦短缺。
How do you analyze weather reports during the critical growing seasons in the grain markets?
你如何分析谷物在生长期的天气预报会对市场造成的影响？
They are sure this is a local event and they are off to find out where the sun is shining and the grain is growing.
他们确信这是一个局部的事情，便出发走寻觅阳光光耀和谷物生长的地方。
It has no advantage for close-growing vegetation such as lawns, pastures, or small grain crops.
对于像草坪、牧草、小粒谷物这些茂密的植物，滴灌则没有优点。
Lushly growing are grain crops.
五谷生长绿茵茵。
The method overcomes the shortcoming of grain growing above the initial crystallization temperature in annealing method, successfully preparing nano-crystalline material of very small grain .
该方法避免了传统的退火法在晶化温度以上晶粒长大这一缺点，成功制备出晶粒极细小的纳米材料。
Gen 41:5 he fell asleep again and had a second dream: Seven heads of grain, healthy and good, were growing on a single stalk.
创41：5他又睡着，第二回作梦：梦见一棵麦子长了七个穗子，又肥大又佳美。
In the northern parts of Russia, you're finding grain growing that was not possible to grow there 20 or 30 years ago, "he said."
在俄罗斯的北部，你会看到在20到30年前不可能生长谷物的地方，现在也有谷物在那里出产。
To raise grain yield it is necessary to increase the investment in agriculture and to ensure proper scale of growing area under grain crops.
要增加粮食产量，必须增加对农业的投入，保持适度规模的粮食种植面积。
A world population growing in number and wealth will require one billion tons more grain each year, and two hundred million tons more meat.
由于世界人口在数量和财富上的不断增长，每年将需要新增10亿吨粮食，以及2亿吨肉。
The result showed that the sowing time has not marked influences on the increasing process of grain weight and the changing trend of the protein content in the growing process of the grain.
结果表明，播种时期对春小麦籽拉增重过程和籽粒发育过程中蛋白质含量的变化规律没有显著影响。
From the XRD spectrum it is found that the annealing plays a key part in the nano crystal grain forming and growing.
结合XRD谱图分析结果可发现，退火处理对纳米晶粒的形成与长大起着关键作用。
Growing azolla has less effect on increasing the grain yield in present cropping season, however, azolla incorporated as manure the rice grain yield of present season increased by 5%.
养萍对当季水稻产量增加效果不大，而养萍后翻压对当季水稻产量可提高近5%。
The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。
The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。
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