Elementdeficiency was obviously observed in senile trees.
衰老古树呈现明显的缺素症状。
2
In order to control frequent elementdeficiency diseases, effects of spraying nutrient elements on Pistacia veraL.
为防治大棚育苗期间阿月浑子常见的各种缺素症,进行了营养元素喷施试验。
3
This paper primarily aims at the deficiency of conventional computation method of skew girder Bridges, calculates and analyses skew girder bridge based on integrated finite element method.