Terms containing negative OR

Subject	English	Chinese
tech.	black negative or positive	黑负或黑正
agric.	contrast of a negative or a print	照片反差 ｛显技｝
UN, tech.	hostile action means an incident from the actions of one or more belligerents, which has a direct and significant negative impact on the personnel and/or equipment of a troop/police contributor	敌对行动是指交战一方或多方的行动引起的、对部队/警察部队派遣国的人员和/或装备造成直接和重大负面影响的事故
scient.	How can you tell if the charge is positive or negative?	你怎么知道电荷是正的还是负的？
gen.	how can you tell if the charge is positive or negative	你怎么知道电荷是正的还是负的
textile	negative determination of dumping or injury	倾销或损害的否定裁决
met.	negative OR gate	"或非"门
space	negative OR operation	"或非"运算
avia.	rate of descent or negative vertical speed	下降或负垂直速度率 (它既不是指示空速,也不是真空速，而是速度的垂直分量。它由垂直速度指示器测量，或者更精确地说，由某一时段内的高度差来计算)