As you can see, along the length of the hair, there are three main parts called the bulb, the root and the shaft.
如你们所见，顺着头发的长度可以分为三个主要部分，分别是毛囊、毛根和毛干。
The root length is main parameter of root architecture with various important functions such as nutrient uptake, drought tolerance and yield.
而根的长度是根型的主要参数，对于养分的吸收，耐旱和作物的产量都有重要的作用。
According to the experiment of growing blood wood seedling by cuttimg, the main factors that influence the heigh, the length of root and the number of roots of blood wood seedlings are different.
根据扦插育苗试验表明，影响泰国赤桉苗高、根长及发根数的主要因素各不相同。
Results showed that the root dry weight, root weight density, root length, root length density and root diameter were increased with the evolution of the cultivars at main growth stages.
结果表明，在各主要生育期，根干重、根重密度、根长、根长密度和根直径随品种演进增加或显著增加。
The correlations between seedling height, diameter at base, main root length, lateral root number and root range were analysed according to statistical principles.
根据统计学原理对一年生苗木苗高、地径、主根长、侧根数、根幅的测量数据进行了相关性分析。
While, the ration of roots and shoots and the length of main root of two genotypes on deficient potassium soil were only half than that in low potassium solution culture.
同时，两种基因型在缺钾土壤上的根冠比和主根长仅为低钾溶液培养时的一半左右。
While, the ration of roots and shoots and the length of main root of two genotypes on deficient potassium soil were only half than that in low potassium solution culture.
同时，两种基因型在缺钾土壤上的根冠比和主根长仅为低钾溶液培养时的一半左右。
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