已知一个8x8的栅格数据文件按“代码,个数……”行游程长度编码为:0,1,4,2,7,5;4,5,7,3;4,4,8,2,7,2;0,2,4,1,8,3,7,2;0,2,8,4,7,1,8,1;0,3,8,5;0,4,8,4;0,5,8,3;写出其线性四叉树编码编码过程和结果。
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The national symbol of the US also appears in the list of the endangered species.
A. 对
B. 错
In 1973, the Europeans passed a law to save their wild creatures.
A. 对
B. 错
The Endangered Species Act protects the lives and habitats of plants and animals in immediate danger of extinction.
A. 对
B. 错
Today, there are over a thousand species on the list of endangered species in the America.
A. 对
B. 错