The matching calculation of leaf-type spring with the shock absorber can be done by using a 2 freedom vibration model.

汽车钢板弹簧与减振器的匹配，可以用两自由度数学模型进行分析计算。

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Leaf RGR of early and medium ripening varieties was very small or even reached negative in 30 days after FBA while late type reached negative in 50 days after FBA.

早、中熟春大豆叶片的相对生长速度(RGR)至现蕾后30天即为较小或为负值，而迟熟类型则在现蕾后50天才出现负值。

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But, you know, the a more, you know, exotic type, you know, leaf vegetables and stuff that you -maybe you don't about, but - yeah.

NPR: Vegetable Gardening On A Budget