The tropic of cancer in china has been recognized to be a center of wild rice with abundant superior genes such as resistance to diseases and pests.
1．我国北回归线区域普通野生稻有着丰富的变异类型以及抗病虫等优良基因。
参考来源 - 我国北回归线区域野生稻遗传多样性研究及水稻多子房基因定位·2,447,543篇论文数据，部分数据来源于NoteExpress
His hometown is located in the north to the tropic of cancer.
他的家乡在北回归线的北面。
It abuts the Tropic of Cancer, constituted the Polynesia archipelago north vanguard.
它紧靠北回归线，构成了波利尼西亚群岛的北方前锋。
On June 21, the sun sits above the Tropic of Cancer, spreading more sunlight in the north and turning the tables on the south.
夏至，太阳位于北回归线的正上方，北半球扭亏为盈获得更多的阳光。
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