n.半衰期；半存留期；半排出期
n.（放射性）半衰期
half-life───n.半衰期；半存留期；半排出期
half lives───n.半衰期；半存留期；半排出期
shelf life───n.保存限期；[电]贮藏寿命；闲置时间；适用期
half dime───五美分硬币
half pipe───半管
half size───缩小一半；一半大小；半号
half tide───半潮
Even Francium's most stable isotope, Francium - 223 only has a half - life of 22 minutes.───钫的最稳定的同位素, 钫 -223 也只有22分钟的半衰期.
In lots of cases, it's useful to define what's called a half life. It's just useful.───很多情况下有必要，定义一个称为半衰期的量，这个量很有用。
Tritium has a half - life of 12.4 years.───氚的半衰期为12.4年,地球形成时的氚早已不存在.
It's the year of the shooter, and Half - Life and Unreal are introduced.───这是一年的射手, 和 半 条命和虚幻的介绍.
By contrast, the half - life of a cordless phone for the home is measured in years.───相反, 家用无绳电话的使用期却是有些年头的.
Would there be an actual End of the Half - life story, considering some comercial purposes?───出于商业目的,《半条命》的故事会有结局么?
Most people are not aware that caffeine has a half life of up to eight hours and can affect not only your ability to fall asleep, but also the quality of sleep you are getting.───大多数人都不知道，咖啡因有一个长达八小时的半衰期，不仅会影响你的入睡能力，而且还会影响你的睡眠质量。
A radioactive, inert, gaseous isotope of radon a half - life of 3.92 seconds.───氡的一种放射性的, 惰性的和气态的同位素,其半衰期为3.92秒.
I am willing to buy after the half - life and life?───愿意给我买后半生的生命与生活 吗 ?
The research determined a link's longevity by measuring its half life - the point at which it has received half the clicks it will receive online.───这项研究中的“寿命”的测定基准是一个链接完成它的半减期的时间——也就是这个链接达到他的一半点击量所用的时间。
The half - life of francium is 22 minutes.───钫的半衰期是22分钟.
The drug acts only in the brain, claims Lynch. It has a short half - life of hours.───加里·林奇说,药物只在大脑里发生作用, 而且只有短暂的几个小时的 半衰期.
The half - life of a VP of Sales or Marketing in some industries is 18 months.───在某些行业中,VP营销的 中期 寿命大约是18个月.
The half - life of humic acid is measured in centuries.───腐殖酸的半衰期是几个世纪.
A radioactive, inert, gaseous isotope of radon, with a half - life of 3.92 seconds.───锕射气氡的一种放射性的, 惰性的和气态的同位素, 其半衰期为3.
One waiting of whole life, half life grief.───一生的等待, 半世的哀愁.
Just browse to your half - life or counterstrike directory, and point it to the original hl . exe.───你可以浏览你的半死目录或者你的半死目录, 并指定该文件.
It has a half - life of about 41 / 2 billion years.───它的 半衰期 大约为45亿年.
- half baked harvest
- half the battle
- half one hour
- half life
- half coupling ss
- half coupling bspt
- half a month
- half an hour ago
- half hour
- halfway mark
- half-round trim
- half past three
- half past two
- half past seven
- half measure
- half bathroom
- half shell
- half filled
- half a kilo
- half brother
- half life calculator