The carbon block consists of two electrodes spaced so that any voltage above the designlevel is arced from line to ground.
碳块中有两个彼此间隔的电极,任意高于设计标准的电压都可以跨过电线入地。
2
The data with missing values in two-factor experiment with randomized blockdesign is the unbalanced data with unequal replications of level combination of two factors.
有缺失数据两因素随机区组试验资料是两因素水平组合重复数不等的非平衡资料。
3
At the most basic level, I would say that the students need to learn landscape ecology, it is the basic building block for analysis and design.