多年生

• Function of artificial grassland in restoration of degraded natural grassland and its research advance
  青南退化草地治理中多年生禾本科牧草的利用现状和对策
• Two genera and about 50 species of haperziaceae have been reported from china
  摘要石杉科是一类多年生小型草本植物，土生、附生或生于苔藓层中，喜阴凉潮湿环境。
• Hystrix moench is a small perennial genus of the tribe triticeae ( dumortier )
  猬草属hystrixmoench是禾本科poaceae小麦族triticeaedumortier中一个多年生小属。
• Differences in plant diversity seemed to be related to human activity and soil moisture conditions
  灌丛群落的多样性明显高于草地，多年生草地略高于一年生草地。
• Cultivation techniques of grafted eggplant planted as a perennial crop in solar green - house in gulang county , gansu
  古浪县引黄灌区日光温室嫁接茄子多年生栽培技术
• We have many years experience in producing the medical equipment and have perfect after sales service system
  本厂有多年生产医用设备的经验及完善的售后服务体系。
• The results indicated that polymorphic variation of the regeneration plant was existed in molecular level
  结果表明多年生黑麦草体细胞无性系在分子水平发生了多态性变异。
• In many upland situations , however , only perennial tree based cropping systems will allow sustainability
  然而在许多热带旱地上，只有以多年生树为主的种植制度才具持续性。
• Helophyte a perennial marsh plant that has its overwintering buds under water . an example is bulrush ( typha )
  沼生植物：多年生的沼泽植物，具有水下越冬芽。例如芦苇（香蒲） 。
• European perennial plant naturalized in united states having triangular ovate leaves and lilac - pink flowers
  欧洲多年生的植物，移入美国，有三角形的卵形的叶子和丁香粉色的花。