您要查找的是不是：
- The paper "Pathogen interactions, population cycles and phase shifts" is published in The American Naturalist in January. "一文病原体相互作用，人口周期与相移" ，是发表在美国自然一月。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- A desert has no settled population. 沙漠没有固定的居民。
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少？
- The machine cycles automatically. 这台机器自动循环运转。
- Disease has decimated the population. 疾病使大部分人死亡。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- What is the population of Ireland? 爱尔兰人口有多少?
- There was a swell in the city's population. 该市出现过人口膨胀。
- In ten years the city's population expanded by 12%. 十年之中,该城人口增加了百分之十二。
- The population of this country rose by 10 percent. 这个国家的人口增长了百分之十。
- What is the total population of Japan? 日本的总人口为多少?
- The town has a population of ten thousand. 这个镇有一万人口。
- This machine cycles automatically. 这台机器自动循环运动。
- Our population is concentrated in the big cities. 我国人口集中在大城市里。
- The country has a population of 100 million. 这个国家有一亿人口。
- The population in this area has increased fourfold. 该地区的人口已增加到四倍。
- The elephant population in that area is falling. 那个地区的大象总数在下降。
- A tree is a connected graph with no cycles. 一个树是一个没有圈的连通图。
