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1·At last, we sent Mr. Li off while eating cakes. At 10 o'clock, we went back with lots of ingathering.

最后，大家边吃蛋糕，边送别了李开复先生一行。于是，晚十点多，交大一行人又匆匆赶回闵行，收获颇丰。

2·Product features: safe and cozy, soft and anti-slipping, environmental and non-toxic, random combination, easy ingathering.

产品特点：安全舒适，柔软防滑，环保无毒，随意组合，收纳方便。

3·Compared with attached algae system, embedded algae system has higher nutrient removal efficiency, and ingathering of algae is easier.

藻类包埋固定化与附着固定化相比较，包埋固定化去除氮磷的效率更高，藻类更易收获。