going too far is as bad as not going far enough; beyond is as wrong as falling short; too much is as bad as too little  过犹不及

multi-factors controlling and key-factors reservoi  多元控油－主元成藏

a bad actor  元件包壳破损探测器; 坏蛋

a bad apple  燃料元件包壳破损探测; 害群之马

a bad egg  燃料元件包壳破损探测器; 坏蛋

a bad hat  元件包壳破损探测装置; 坏蛋

a bad job  波束准直误差; 白费力的事

a bad life  不道德的生活

a bad lot  一个坏蛋

a bad quarter of an hour  不愉快的短暂时刻

a bad shot  错误

a bad word  猥亵话

academy bad behaviors  可信度

allowance for bad debts  呆帐准备金; 借抵坏帐

Arranging order according to good and bad  优劣排序

ash degree-bad worth symbiosis matrix  灰度－插值共生矩阵

avoid the bad result  用力肺活量(FVC)

Bad  死亡基因Bad; 双水杨酸双酚A酯; 坏的低劣的; 劣质的; 坏的; 设计不良; 不良; 恶的; 淘气; 窳; 顽皮的; 不好; 坏; 不善; 糟糕; 歹; 梅毒

Bad (bcl-2 associated death) gene  bad基因