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Planting maturity system refers to the number of seasons of planting crops in a year, including ( ) and multiple maturation systems.
选项：

A:single-harvest;
B:double-harvest;
C:triple-harvest;
D:four-harvest

发布时间：2024-03-28 11:13:14

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Planting maturity system refers to the number of seasons of planting crops in a year, including ( ) and multiple maturation systems.选项： A:single-harvest; B:double-harvest; C:triple-harvest; D:four-harvest

Planting maturity system refers to the number of seasons of planting crops in a year, including ( ) and multiple maturation systems.
选项：

A:single-harvest;
B:double-harvest;
C:triple-harvest;
D:four-harvest