历经四季更迭，一池素荷，摊开了美妙人生的盛宴。
Through the seasons, a pool of Su, spread the wonderful life of the feast.
更值得一提的是，拙政园旅游四季皆宜，春观杜鹃夏观荷，秋观芙蓉冬观梅。
It is worth mentioning that the Humble Administrator's Garden travel all seasons, spring view of Rhododendron summer view of Lotus, autumn view of Lotus winter view plum.
采用流延的方式，将季铵化壳聚糖溶液与聚丙烯腈超滤膜进行复合，以混酐作交联剂，制备了一种荷正电复合纳滤膜。
A positively charged composite NF membrane was prepared by casting quaternized chitosan solution onto PAN ultrafiltration membrane and using mixed anhydride as cross-linking reagent.
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