Big bang-big crunch optimization algorithm  大爆炸优化算法

big companies and big groups  物质流分析

Big marketing system  （要素）

Big Non-tradable Share and Small Non-tradable Share  （企业制度）; 质量体系评审; [跳蚤]乐器

2-D convolution with big kernel in low-rank  低秩大模板二维卷积

a big agricultural county  击穿电压

a big deal  要人

a big pot  大人物

a big shot  大人物

a big stick policy  大棒政策

a big-pile up involving six cars  数车相撞

a cell line of Big-head  鳙鱼细胞系

air pressure of big secondary air box  二次风大风箱风压

alternated big-belly yarn  交替大肚线

as big as life  海事卫星系统; 与原物一样大

assembling big mould  组装大模板

auxiliary floating drydock big  大型干浮船坞

awareness of being a big economic power  流入肥料(S550

Bates’ big boll cotton  贝氏大铃棉

Bates’s big boll cotton  贝式大铃棉