Define Mean lifetime. Mean lifetime synonyms, Mean lifetime pronunciation, Mean lifetime translation, English dictionary definition of Mean lifetime. n physics the average time of existence of an unstable or reactive entity, such as a nucleus, elementary
= help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b` help: consider introducing a named lifetime parameter | 1 | fn return_first<'a>(a: &'a str, b: &'a str) -> &'a str { | ^^^ ^^^ ^^^...
How to Calculate Customer Lifetime Value In its simplest terms, customer lifetime value is defined by two factors: The amount that a customer spends, and The length of their relationship with your business. The balance between these is simple. If your customers increase the amount they spend ...
A generalized framework for estimating customer lifetime value when customer lifetimes are not observed Measuring customer lifetime value (CLV) in contexts where customer defections are not observed, i.e. noncontractual contexts, has been very challenging for... Siddharth,S.,Singh,... - 《Quantit...
Lifetimes for the lowest three transitions in the nucleus 120Xe have been measured using the recoil distance technique. Our data indicate that the lifetime for the 21+→01+ transition is more than a factor of 2 lower than the previously adopted value and is in agreement with more recent meas...
The measured ambipolar carrier lifetimes have shown to be dependent on the carrier injection levels, quickly increasing at low-bias current up to reaching a saturation value, τHL, when the value of the average carrier density within the base exceeds the intrinsic-region doping. The τHL ...
This is in agreement with the theoretical value of 1.899 msec. The agreement between theory and experiment implies a new upper limit on the amount of parity impurity in the 2S wave function. 展开 DOI: 10.1103/PhysRevLett.29.611 年份: 1972 ...
复数:lifetimes;实用例句 His diary was not published during his lifetime. 他的日记在他生前未曾发表过。 牛津词典 a lifetime of experience 毕生的经验 牛津词典 in the lifetime of the present government 在本届政府的任期内 牛津词典 An opportunity like this comes once in a lifetime. 像这样的机会...
Hardie, understanding and acting on customer lifetime value (CLV) is the most important part of your business's sales efforts. And (apparently) everyone is doing it wrong (Prof. Fader's Video Lecture). Lifetimes is a Python library to calculate CLV for you. Installation pip install lifetimes...
lifetime 考研 英[ˈlaɪftaɪm] 美[ˈlaɪftaɪm] 释义 n. 一生,寿命;有生之年;存在期,有效期 词态变化 复数:lifetimes; 实用场景例句 全部 一生 寿命 有生之年 终生 His diary was not published during hislifetime. 他的日记在他生前未曾发表过。