amount of rainfall

500 mm rainfall can satisfy the wheat water demand in early and middle growing stages, but the effects of water deficiency will appear in the later stage of growth, so that 500 mm is the critical amount of rainfall for a good yield.

在万荣试区丘陵旱地麦田上，500mm降水可基本满足小麦前期、中期需水，后期表现缺水，是旱地小麦丰欠的临界值；

For example, Allahabad, India, and Washington, D.C.of the United States get about the same amount of rainfall over a full year.

比如，印度的阿拉哈巴德和美国的华盛顿特区，在雨季得到的雨量和全年的雨量大体相同。

The amount of rainfall determines the quality of the crop.

降雨量决定着收成的好坏.

In the bigger amount of rainfall area, it takes the way which pumps water with the water pump to supply the lawn or to serve as other uses.

对于降雨量较大的地区，采取用水泵抽水的方式来供给草坪或用作其它用途。因此选择粒径较大的粗砾作为储水系统的材料。

Forest usually cannot change the total amount of rainfall in a raining region, while it just changes the spatial distribution of the rainfall in a raining region;

森林一般不会改变降水区域总的降水量，只是改变了降水在降雨区的雨量分布情况；

Okay, a monsoon is a seasonal wind that can bring in a large amount of rainfall.

是这样，季候风是指季节性的风，而这种风能够带来大量的雨水。

The warmth of the summer months, the amount of rainfall and the gentle slopes of land have made settlement and cultivation possible over large parts of the new continent.

新大陆的大部分地区，夏天温暖，雨量充沛，土地平缓。因此，人们可以在那里定居和耕作。

Results showed that the amount of rainfall increased from the west to the east in the Loess Plateau in waterlog year, and from the north to the south in drought year.

结果表明，黄土高原涝年降雨量自西向东递增，旱年由北向南递增；

The varied range of CO2 concentrations in vegetation air system are mainly influenced by the amount of rainfall, secondly the rain frequency.

浓度降低的幅度主要取决降雨量的大小，其次才是降雨的频率。

Argentina last weekend in the northern region is expected to receive amount of rainfall.

上周末阿根廷北部地区预计获得少量降雨.

The characteristics of arid and semi-arid Northwest China includes great amount of evaporation, small amount of rainfall and light and heat resources, these are necessary conditions for exploitation and development of artificial oasis.

中国西北属干旱、半干旱地区，于是蒸发量大、降雨量小，光热资源充足为当地的主要气候特征，为人工绿洲的开发与发展准备了前提。

When soil became wet, large amount of rainfall could have pronounced impact on soil CO2 efflux.

当土壤由干变湿，降雨脉冲会对土壤CO2通量排放产生较大影响。

The total of splash amount increased with the increase of rainfall duration, however, averaged splash production per square meter per minute decreased with the duration of raining time.

溅蚀总量随降雨历时的增加而增加，而溅蚀率则随降雨历时的增加而减小，其变化过程可用幂函数描述；

The mean temperature in China shows an increasing trend evidently and the total amount of rainfall has a decreasing trend obviously in autumn.

秋季中国大部分地区降水量异常是减少的、温度是上升的。

This system senses the amount of rainfall by the infrared rain sensor, and adjusts the speed of wiper based on the fuzzy control algorithm and pulse width modulation technology.

该系统通过红外雨量传感器检测雨量大小，使用模糊控制算法和脉宽调制技术调节雨刷器的速度；给出了系统的总体结构和具体设计方法。

The circulation of soil water of all kinds of vegetation types is affected by the amount of rainfall in those years.

各试验地的土壤水分循环受当年降水量的影响，它们的土壤水分之间的差异，正是不同立地和植被生长长期作用的结果。

The landslide early warning could base on the study on lag characteristic and rainfall threshold, by the use of rainfall information. ( 5) The backwater amount in unsaturated zone in landslide was estimated.

通过潜水位对降雨的滞后响应特征以及降雨阈值的分析，提出利用降雨信息对滑坡进行提前预警；（5）对滑体中非饱和带滞水量进行了估算。

With artificial simulative washing test, the effects of soil potassium loss in loess area by fertilizing KCl, vegetation coverage, and amount of rainfall were preliminarily studied.

通过人工模拟冲刷试验，初步分析了施KCl、植被覆盖度和降雨量对黄土区土壤钾素径流的影响。

The main results are as follows: ( 1) Vegetation characteristics were affected by changed amount of rainfall.

本研究的主要结果如下：（1）降雨量变化能够影响植被特征。

The size of the crop is a function of the quality of the soil and the amount of rainfall.

庄稼收获量的多少与土质和雨量有着密切的关系。

In the central of Guangdong the decreases of storm and heavy storm rainfall are the main cause of the decrease of annual rainfall amount.

中部地区暴雨以上降水减少是年降水总量略呈下降趋势的主要原因。

Some regions remain dry because the overall amount of rainfall doesn't increase.

一些地区可能仍然干燥，这是由于总降雨量并没有增加。

Small rainfall events mainly benefited herb species, and the high frequency but low amount of rainfall partially explained the relatively high vegetation cover in this area.

综合考虑降水模式与不同生活型植物对小雨量降水的响应特点，高频率的小雨量降水，可能是维持本区较高植被覆盖度的重要原因。

In this thesis, with eight events of artificial water-washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed.

本文通过在5个不同坡度径流小区进行的8次人工模拟冲刷试验，探讨了坡度、放水冲刷强度、植被和降雨量等因素对土壤钾素径流流失的影响。

The main factor influencing the peak of preferential flow is the amount of rainfall, which is evidently positively related to the peak of preferential flow.

影响优先流峰值流量的主要降雨因子是降雨总量，两者为显著正相关关系。

The climate affects the amount of the rainfall.

气候影响了降雨量。

A statistic analysis has been made which contains the occurance probability, duration, maximum rate and amount of rainfall from single cumulus with radar echo occurred in Changsha area, Hunan.

本文报告对湖南长沙地区有雷达回波的单块积云地面降水的机率以及降雨持续时间、最大雨强、降雨量所做的统计分析。

The results show that the simulated position and amount of rainfall maximum are better in case of using satellite data than that of control case.

对比分析表明，应用卫星资料后，模拟的台风暴雨及雨量中心强度与实况甚为一致。

The amount of rainfall determines the size of the crop.

(限定;支配;规定;决定)降雨量决定着收成的好坏.

The amount of rainfall is down compared with last year.

同去年相比,降雨量减少了.