residual rainfall 中文意思是什麼
residual rainfall
解釋
殘余降雨-
The reason for the failure of loosely residual soil slopes triggered by rainfall is that the contractive failure caused by the penetration of rainfall, giving rise to a high excess pore pressure which reduces shear strength of the soil. the soil is prone to flow slide after failure under the action of gravity due to its high moistu re content
蔣家溝地區坡殘積土斜坡在暴雨條件下的破壞是由於降雨入滲導致土體發生剪縮破壞，破壞後土體的孔隙水壓力升高形成超孔隙水壓力、土體強度降低、破壞迅速擴展所致，因而大多數斜坡呈流滑型破壞並具有突然性破壞特點。 -
Exactly predicted serious occurrence and date of 3rd generation cotton bollworm moth and eggs appearence peak, based on occurrence date of 2nd generation bollworm, residual booworm after insecticide application, temperature and rainfall in 1995. i suggested that a special attention should be paid to control optimum stage, optimum pesticide was selected, sciencial pesticide application method and agronomic measures was applied properly. in result, third generation bollworm was controlled effectively in xiangshu in 1995
根據95年二代棉鈴蟲的發生實況及防治之後的殘留蟲量，結合當時的氣溫和降水趨勢，準確推算該年三代棉鈴蟲的大發生和蛾卵高峰的出現時間，指出需要抓住防治適期，選準對路農藥品種和採用科學的施藥方法以及農藝措施，很好地控制了三代棉鈴蟲的危害。
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