基本解释[农业科学]苗木年生长规律英汉例句双语例句For all poplar clones, annual growth rhythm accorded with "S" curve both in seedling height and ground diameter.地径和苗高年生长节律表现为慢-快-慢的“S”型生长规律。seedling annual growth rhythm更多例句专业释义农业科学苗木年生长规律