安吉竹种园竹林面积集中，竹类品种多，出笋延续时间长，病虫害种类多而且活动规律复杂。
Bamboos amass in Anji bamboo Genus Garden with large varieties, long periods of forming bamboo and various diseases and insect pests.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
布朗大学的古生物学家杰西卡·怀特塞德率领一个研究小组在罗得岛进行了发掘，他们把注意力集中在亚特兰大中部的熔岩地带，该熔岩面积超过9百万平方公里。
A team led by Jessica Whiteside, a paleobiologist at Brown University, Rhode Island, focused on a massive lava flow known as the central Atlantic magmatic province, which covered more than 9m sq km.
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