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41A

41A

41A

41A

1

Maxie A , Congguang 41A and Zhenshan 97A were crossed with 13 rice varieties or strains . Their genetic behaviors were compared.

用马协 A 、丛广 41A 和珍汕 97A 与 13 个水稻品系杂交，对三者的遗传行为进行了比较。

2

41A U. S. cruiser fires her main batteries at Japanese positions on the southern tip of Okinawa, Japan in 1945. (AP Photo)

1945年，一艘美军巡洋舰的主炮塔向日本冲绳岛（Okinawa ）南端的日军阵地猛烈开火。

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