The results show that the content of nutrition have distinct effect on feed coefficient rate and growth rate of turbot .
试验表明不同营养配比的饲料，其饲料转换率有着较大的差异，会导致鱼体生长的显著差异。
Closed form kinematic equations of main feed mechanism are established, one and two order effect coefficient matrixs are derived.
建立了主进给机构的封闭形式的运动学方程，导出了一、二阶运动影响系数矩阵。
In the MIG with filler wire. With the increase of wire feed speed, transition coefficient of Zn trend to decrease.
MIG填丝焊接过程中，随着填入锡黄铜焊丝速度的加快，锌元素的过渡系数有减小的趋势。
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