翅果:指坚果或瘦果中果皮延伸成翼状,以利于风媒传播的果实类型。如白蜡树的果实(欧洲白蜡树)。
Samara a nut or achene whose pericarp is extended to form a wing for wind dispersal, e. g. Ash (fraxinus excelsior).
翅果:指坚果或瘦果中果皮延伸成翼状,以利于风媒传播的果实类型。如白蜡树的果实(欧洲白蜡树) 。
Samara a nut or achene whose pericarp is extended to form a wing for wind dispersal, e. g. ash ( fraxinus excelsior )
介绍了成庄矿北翼胶带机机头硐室采用锚索支护技术的实践经验。
The practice experience of adopting cable anchor supporting technique in northern belt conveyor head chamber is introduced.
应用推荐