| |||
alternate permutation | |||
stagger arrangement | |||
stagger | |||
checker; staggered | |||
staggered arrangement; zigzag laying | |||
| |||
checker | |||
| |||
checkerboard pattern |
交错排列: 25 phrases in 11 subjects |
Automobiles | 3 |
Compressors | 2 |
Electric machinery | 3 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Information technology | 1 |
Oil / petroleum | 2 |
Plastics | 1 |
Rail transport | 1 |
Technology | 7 |