environment variable环境变量;情况变量;访问所有环境变量
Random Variable[数] 随机变量;[数] 随机变数;无规变量;无规变数
automatic variable[计] 自动变量;自动变量;局部变量
predicate variable谓词变量;[数] 谓词变项;述词变数;述语变数
External Variable[计] 外部变量;外变量;外变数;外部变数
discrete variable[数] 离散变量;离散型变量;间断性变数;分散变量
Nominal variable名义变量;名义变数
stochastic variable[数] 随机变量;分层抽样;序率变动
variable costing变动成本法;[会计] 变动成本计算;变动成本
ADJ（形容词） Something that is variable changes quite often, and there usually seems to be no fixed pattern to these changes. 多变的
The potassium content of foodstuffs is very variable.
食品中钾的含量是多变的。
N-UNCOUNT（不可数名词） variability 可变性
There's a great deal of variability between individuals.
个体之间存在着很大的可变性。
N-COUNT（可数名词） A variable is a factor that can change in quality, quantity, or size, that you have to take into account in a situation. 可变因素
Decisions could be made on the basis of price, delivery dates, after-sales service or any other variable.
决定可以基于价格、送货日期、售后服务或是任何其他可变因素而做出。