Objective Explore the seasonality and trend of hepatitis a in Liaoning drought area under natural condition.
目的探索辽宁省干旱地区自然条件下甲型肝炎季节性和趋势性发病特征。
As a most drought type in temperate steppe, the desert steppe in Inner Mongolia is a district with harshest natural condition, lowest productivity and weakest ecosystem in steppe districts.
内蒙古荒漠草原是温带草原中最干旱的一个类型，为草原区自然条件最严酷、草场生产力最低、生态系统最脆弱的一个地区。
This paper analysed the condition and cause of drought of orange garden in mountain land and proposed a set of drought resistant culture techniques suitable for orange garden in mountain land.
分析了山地柑桔旱害状况和旱害原因，提出了一套适用于山地桔园的抗旱栽培技术。
Through analyzing and assessing the drought of Yichun city in 2003, the drought condition was introduced.
通过对江西省宜春市2003年旱情分析、评价，全面了解该市旱情程度。
Special climate condition determined by geographical position and soil loss caused by human activities are basic reasons leading to frequent flood and drought in China.
受地理位置决定的特殊气候条件和由人为因素引起的水土流失是造成我国水旱灾害频繁的根本原因。
The changes of protein in wheat seedling roots were investigated under soil drought condition.
在土壤干旱条件下，小麦幼苗根系组织含水量降低，可溶蛋白质含量增加。
On condition that this peasant household income generally lower in our country now, rice drought calamity becomes even more important.
这在我国农户普遍收入不高的情况下，干旱灾害显得尤为重要。
The article analyses the condition of drought and the prevention measure of drought and the result of irrigation of Pishihang Irrigation District in 2001.
文章分析了淠史杭灌区2001年特大干旱旱情、抗旱措施及效益。
The results showed that S drought index accorded with drought condition in Altay.
结果表明：S指数能较好地反映阿勒泰地区的干旱情况。
This paper is the report of the behaviour of free-proline accumulation in various drought-resistance types of soybean cultivars under water-stress and non-stress condition in various growing periods.
本文报道了不同抗旱类型大豆品种游离脯氨酸在水分亏缺和无亏缺条件下的不同生育期累积动态变化。
Hotan oasis is in a certain natural condition, precipitation is rare, evaporation is big, and it is most drought and aridity in the oasis.
和田绿洲处于特定自然条件下，降水量小，蒸发量大，极其干旱缺水。
Hotan oasis is in a certain natural condition, precipitation is rare, evaporation is big, and it is most drought and aridity in the oasis.
和田绿洲处于特定自然条件下，降水量小，蒸发量大，极其干旱缺水。
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