A fft spectrum analyzer was used to measure the resonant frequency 试验时采用六种实大尺寸试材,共振频率之测定系利用fft频谱分析仪。
There are those who prophetize the return of this god marked by the merge of two realities and the lowering of the veils that separate him from his soul aspects on the planet 预见这位神回归的先知会以两种实相的结合作为标记,较低层的面纱使在地上的他与他的灵魂外貌分离。
Took the magnolia obovata and prunus sargentill introdultive seedlings as test materials , tested the comprehensive process of wintering performance , analyzed the relationship of different protection measures and plant frostbite rates , the growth situation , explored the best methods of cultivation of magnolia obovata and prunus sargentill introductive seedlings and protection measures in winter , enacted appropriate cultivation and management measures in order to solve the problem of wintering of magnolia obovata under natural conditions in northern region 摘要以日本厚朴和山樱引种实生苗为试材,综合引种过程中日本厚朴和山樱的越冬表现,分析不同越冬防护措施与植株冻伤率、生长状况之间的关系,探讨沈阳地区引种日本厚朴和山樱栽培的最佳方式和越冬防寒措施,制定适宜的栽培管理措施,解决日本厚朴在北方地区自然条件下安全越冬问题。
种: species实: solid杂种实生苗: hybrid seedling种实脱粒: extracting seeds from cone几种实用文体: practical literary forms疫苗接种实践: vaccination practices在育种实践中: in the practices of breeding; inthepracticesofbreeding它提供了一种实现: ebuisess杂种实生苗,杂种籽苗: hybrid seeding多种实验的自动化实验室: aml; automated multitest laboratory免疫接种实践咨询委员会: acip一种实用方法的产生: the contrivance of an effective method提出了一种实现零偏移距化: mzo种时浇水: spot watering at planting种史: taneshi种胜: tanekatsu种式理想: principal fractionary ideal种盛: tanemori种世: taneyo种生物量: species biomass种事: tanekoto种生态学: genecology; species ecology