Saline soils, which have high concentrations of sodium chloride and other salts, limit plant growth, and research continues to focus on developing salt-tolerant varieties of agricultural crops.
盐碱地含有高浓度的氯化钠和其他盐类，限制了植物的生长，研究继续集中于开发耐盐的农作物品种。
Three things limit plant growth: light, water, and temperature.
有三个要素会限制植物生长：阳光、温度和水。
Meanwhile, bad weather has delayed TEPCO's plans to limit the spread of radiation from the plant.
同时，糟糕的天气推迟了TEPCO限制工厂辐射扩散的计划。
Radiation monitors at the Daiichi plant briefly picked up radiation in the range of 400 millisieverts per hour, 400 times the legal limit and the highest rate since the crisis began.
核电站的辐射探测器测量到了400毫西弗每小时的辐射强度，是法定限度的400倍，也达到了自此次核泄漏危机发生以来的最高值。
Significantly, this line marks the southern limit of the birch tree, a plant whose pollen is one of the causes of hay fever in northern Europe.
值得注意的是，这条线标志着桦树的南部界限，而桦树的花粉是引发北欧花粉热的一个原因。
In my opinion, we should limit the number of cars and plant more trees to purify the environment.
我认为，我们应限制汽车数量，并植树造林以优化环境。
Radiation Levels Outside the Plant: Twice the Legal Limit As part of the cooling efforts, "plant operators had to release radioactive vapor into the atmosphere," The New York Times reports.
目前核辐射危害等级是2倍的法律规定。作为冷却工作的一部分，“核电站不得不释放一部分被核污染的蒸汽到大气内。”
The limit was raised from 100mSv a year early in the crisis to allow workers to spend more time at the plant, where nuclear fuel in three reactors suffered meltdowns.
由于3个核反应堆出现熔化现象，为了使工作人员能在核电站工作更长的时间，有关部门已经对该核电站工作人员的全年辐射量上限从之前的100毫希沃特进行上调。
In the ocean next to the Fukushima power plant, technicians are reporting the highest levels of radiation yet, about 4,385 times higher than the legal limit.
技术人员报道，福岛核电站周边海洋中的放射性物质已经达到最高水平，比法定的最高限制高出4,385倍。
Control and limit over excitation of power plant equipment.
控制并限制电厂设备的过励磁。
The orthogonal test is designed to find optimal operating conditions of the plant esterase and these conditions effectively reduce the detection limit.
对于植物酯酶通过正交实验很好地确定了它的最优反应条件，有效地降低了其最低检测限度。
This paper reported response of Puccinellia regrowth to soil salinity and salt tolerance limit of the plant.
本文报导了盆栽碱茅草刈割后再生对土壤含盐量的反应和植物再生的耐盐限度。
Their ability to produce antifungal compounds that limit growth and activity of plant pathogenic fungi make them ideal candidates for plant disease control.
木霉菌能产生抑制植物病原真菌生长与活力的抗菌物质，是理想的植物病害生物防治菌。
Low temperature stress is one of the main environmental factors which limit plant growth, development and distribution.
低温胁迫是限制植物生长发育和分布的主要环境因子之一。
But if the number of the nourishing shoots grew out of some limit, the bolls per plant would decrease.
但叶枝数超过一定限度后，全株成铃数会减少。
The organic litter will help to cushion trampling forces, limit the compactability of soils, release plant nutrients, and reduce the erosive forces of rainfall.
这些杂物有助于缓冲踩踏地面的力量，避免土壤的结块成形，释放植物营养物，而且减少降雨的腐蚀。
The steel slag has a problem of phosphorus enrichment. There will be a limit on steel slag recycling for steel plant.
转炉钢渣存在磷富集的问题，使得钢铁厂对转炉钢渣的循环利用受到限制。
Chilling and freezing injusy is one of the global natural disasters which can cause significant loss in plant productivity and limit areas of agricultural production.
低温寒害是限制农作物产量和分布的一种全球性的自然灾害，提高农作物的抗寒性具有重要意义。
It is one of nature's great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants' leaves are bathed in a sea of nitrogen gas.
下述情形真可谓是自然界的一个莫大讽刺：土壤中能获得的氮肥量往往对植物的生长构成了一个上限，虽然植物的叶子被沐浴在一片氮气的海洋中。
Weed, adversity, plant diseases and insect pests will not only debase the quality of ornamental plants but also limit the distribution and application of them.
各种病虫害、杂草、逆境胁迫等不仅会大大降低观赏植物品质，同时也限制了不同类型观赏植物在世界范围内的分布和应用。
Even if the faults have happened to the plant or an unknown input appears at the plant input, up to a centain limit, the performance of the overall system will not be degraded.
当此类系统出现故障或其输入端出现未知扰动时，该系统的性能指标也不会下降。
Even if the faults have happened to the plant or an unknown input appears at the plant input, up to a centain limit, the performance of the overall system will not be degraded.
当此类系统出现故障或其输入端出现未知扰动时，该系统的性能指标也不会下降。
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