文天祥留给后人的八百多首诗歌中,有四首带有柳絮意象。这种意象往往象征着诗人向往自由不受羁绊之意,象征着诗人慨叹时光流逝之快......

研究了疏雄醇（ＳＸＣ）对板栗叶片，雄花和花粉的影响，结果表明：疏雄醇对叶片和雄花序的大小有明显的抑制作用。叶片鲜重有增重的趋势，而对花粉的......

Su Shi is known for his poems of haofang style as well as wanyue style. The author takes a comparative reading of three ......