常见例句双语例句Through the experiments of Vaccinium vitis-idaea—Pinus pumila elfin forest and investigations on pine-nut yield, the effect of management on pine-nut yield was analyzed.通过对越桔—偃松矮曲林经营试验和进行松籽产量调查，进行了经营对其松籽产量影响的分析。 返回 elfin forest