求翻译：黑龙江省是我国纤维大麻的主产区，生产中应用的大麻品种均为雌雄异株，由于雌株和雄株成熟期相差30天，不能同时收获，严重影响了大麻纤维产量和品质。通过国际交流与合作从国外引进了一批雌雄同株大麻新品种，这些品种可克服雌雄异株大麻品种的缺点。本文通过对这些品种进行鉴定，明确其特征特性和生产力水平，为我省大麻育种和生产提供依据。是什么意思？

Heilongjiang is China's main producing fiber hemp production in the application of marijuana varieties are dioecious, the female plants and male plants maturity difference between 30 days and can not harvest, severely affected the yield and quality of hemp fibers. Through international exchanges and

Heilongjiang is my fiber cannabis production in the main producing areas, and applications of cannabis varieties are males, because different strains estrogen and hung maturity difference between 30 days and not at the same time, have a severe impact on the cannabis harvest fiber production and qual

Heilongjiang Province is our country textile fiber hemp's main production area, in the production the application hemp variety is the dioecism, because female and the staminiferous plant mature period differs 30 day, cannot also harvest, has affected the hemp output and the quality seriously.From ov

Is the main producing areas of fibre hemp in Heilongjiang province, applied in the production of cannabis varieties are dioecious, due to the difference between female and male plants mature for 30 days, cannot be harvested, seriously affecting the yield and quality of hemp fiber. Through internatio

Is the main producing areas of fibre hemp in Heilongjiang province, applied in the production of cannabis varieties are dioecious, due to the difference between female and male plants mature for 30 days, cannot be harvested, seriously affecting the yield and quality of hemp fiber. Through internatio