玉米容易受到水源问题和气温变化的影响。
Maize is vulnerable to water problems and to temperature changes.
显而易见的，全球的水源问题不能再被忽视。
As is apparently revealed in the (picture) above, (the water problems) in the world can no longer be ignored at present.
但预计到2025年，水源问题将成为前5大问题之一。
为了解决水源问题，需从较远的地区长距离输水到用水区。
To cope with this problem, the water needed is supplied from outside sources via long distance pipeline.
我国北方地区主要建火力发电厂，建坑口电站更为经济节约，但建坑口电厂必须要解决水源问题。
In north China, thermoelectric power station is often selected to build. And the pithead power plant is more economical, but the water source must be solved firstly.
这片的水域养育着几个县的上百万人口的饮用水，更解决了农民播种的水源问题，急了村民之所急。
This waters are raising several county over a million population tap water, has solved the water source problem which the farmer sows seeds, anxious villagers anxious.
水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。
Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.
屋顶花园的设计要考虑屋顶的水源问题，还要考虑砂土污染空气，又要考虑屋顶的风力和热岛效益等等所以要充分考虑。
The design of roof garden should consider water source, pollution of sand clay on air, wind power, and heat island effect.
这些水源的一个问题是，深水区的含盐量也比浅水层的含盐量高。
One problem with these sources is that the deep water also has a higher level of salt than shallower aquifers.
以色列主张，应该通过海水淡化和水处理的途径找到新水源来解决水问题。
Israel argues that the water problem should be solved by finding new sources, through desalination and water treatment.
清洁剂中的许多化学成分和芳香剂会导致呼吸疾病和过敏问题，同时它们也会污染水源，改变这种情况的好处显而易见。
In the world of cleaning agents, where chemicals and fragrances can pose respiratory and allergy problems as well as pollute waterways, the environmental benefits of the switch are clear.
于是，他们俩人同意由我决定以什么样的顺序来讨论边界、安全、水源、和平等问题。
The two men then agreed that I could decide the order in which the issues-including borders, security, water, and peace-would be discussed.
菲利普斯承认，中东严酷的气候确实给寻找和储存水源带来了巨大的挑战，这种情况即使是在最好的条件下也普遍存在，但这并不是造成今日巴勒斯坦水资源问题的“罪魁祸首”。
While Phillips says the Middle Eastern climate makes it difficult to get and keep water even under the best circumstances, there is no reason for the Palestinian water crisis.
巴基斯坦官员说，另一个主要的担心是通过水源扩散的疾病蔓延问题。
Officials say another major concern is the spread of waterborne diseases.
这个问题的回音在全球传响，但没有任何地方比这里更迫切需要解决方案，青藏高原这一“世界的屋脊”为大半个亚洲提供着水源。
It is a question that echoes around the globe, but nowhere more urgently than across the vast swath of Asia that draws its water from the "roof of the world."
他还说：“河床下降会是降低保护，那么问题就会变成如何分流新鲜水源来阻止沿海不被流动的石油所污染。”
"As the river stage falls and protection diminishes," says Lane, "it becomes a question of how best to distribute this freshwater resource to defend the coast from the movement of oil onshore."
如果采用不恰当的方式，那么即使粮食产量增长，也会问题多多，因为某些地区的水源已经越来越稀少，而提高粮食产量会使其更稀少。
Even if the rise in output comes about but in the "wrong" way, there could be problems, since water in some areas is growing scarce and increasing food output will make it scarcer.
科学家相信，在附近峡谷形成之前这片高原受到过水的影响，虽然水源和泥沙的问题仍不明朗。
Scientists believe water activity affected this plateau after the formation of the nearby canyons. Although the source of water and sediment remains uncertain.
该展区主要有三个主题：保护水源，全球变暖问题和老龄化问题。
The exhibition will focus on three topics: water source protection, global warming and the aging problem.
我们有足够的水源，甚至用水这种宝贵资源来冲洗厕所，难以想象缺水问题在世界上是如此广泛地存在着。
We who have enough, who even flush our lavatories with this precious resource, find it difficult to imagine a lack that is so widespread.
官方说如果伊拉克不严肃探讨其水务政策和其历来有错误的水务管理 那么问题将毫无进展.漏水的运河 浪费的灌溉系统都是在挥霍水源;
Officials say nothing will improve if Iraq does not seriously address its own water policies and its history of flawed water management.
要解决我们空气和水源的污染问题，困难很多而且耗资很大。
The resolution of our air and water pollution problems will be difficult and costly.
水荒在干旱地区的威胁日益严重，全球43个国家约7亿人面临水源紧张问题。
Water scarcity had become more of a threat in arid regions, and about 700m people in 43 countries were facing water shortages.
本文根据一些远距离供水工程的设计实践，对水源选择、输水方式和线路优选等问题提出了见解。
This paper provides some Suggestions concerning the selection of water resources, the method for water transportation and pipeline optimization on the basis of design practices.
他对中国的农产品及农业水源的清洁问题感到担心。
He worries about the cleanliness of local produce and the farmers' water sources.
他对中国的农产品及农业水源的清洁问题感到担心。
He worries about the cleanliness of local produce and the farmers' water sources.
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