head life是什么意思

网络释义

用法例句

Pricing on European contingent claim with stochastic life under fractional Brownian motion environment;

分数布朗运动环境下具有随机寿命的欧式未定权益的定价

In addition,the possibility that the contracts are suspended before closing dates is considered to obtain the corresponding formulas with stochastic life.

在Hu ll-W h ite利率模型且股票价格遵循指数O-U过程的情形下,讨论了有连续红利的一般欧式股票期权和外汇期权定价,并进一步考虑了合约在到期日前被终止的可能性,得到了随机寿命下的欧式未定权益的定价公式。

In this paper,the factors influencing the mechanical endurance of vacuum interrupter(VI),such as optimization of the structure,design and manufacture technology of bellows,fixing methods of shielding tube,and assembling technology of VI etc.

通过对真空灭弧室的结构优化、波纹管的设计和制造工艺、屏蔽筒的固定方式以及灭弧室装配工艺等影响灭弧室机械寿命的因素进行分析、研究,在此基础上重点对波纹管的结构、材质、加工工艺、表面处理、焊接方式以及灭弧室设计中存在的失效隐患加以改进,并将改进后的研究成果应用在TD14A-12/1600-31。

The Valuation of Projects with Stochastic Lives and Competitors Random Entry in Incomplete Market;

竞争对手随机进入具有随机寿命创新项目价值评估

In this paper,we suppose the risk of the contract that may be terminated is not the risk of the system,by means of martingale methods and the pricing formula of European contingent claim with stochastic lives,the pricing problem of Payoff Segment Calls with stochastic lives is discussed which the underlying asset follows the Merton models and the corresponding pricing formulas are obtained.

假设合约被终止的风险为非系统风险,利用鞅方法和具有随机寿命的欧式未定权益的定价公式,讨论了标的资产服从Merton模型具有随机寿命的局部支付型权证的定价问题,得到了相应的定价公式。

Measure and Control System of Accelerated Life Testing Machine for Air Conditioning Compressor Based on RS485;

基于RS485总线的空调压缩机加速寿命试验机测控系统

More auto function, and long lifetime of mainframe with better stability.

自动化功能更多，整机寿命以及稳定性能更佳。

Ball core is a solid body, raising mechanical stability and prolong setvice life.

*球芯为一个整体.提高了机械稳定性和使用寿命.

Load Spectrum Compiling and Fatigue Life Estimation of the Cutter Shaft of the Whole-straw Recycling Machine

整株秸秆还田机刀轴载荷谱编制与疲劳寿命估算

The machine's life is very long.

这机器使用寿命很长。

To help ensure its longevity

为保证该机的使用寿命,,

Sintering as a whole offers resistance against friction, pressure and corrosion, with long service life.

整体烧结，耐磨耐压耐腐，使用寿命长。

Integral Backseat– hardfaced for maximum backseat life.

(10) 整体后座–硬面，使用寿命最长。

Overall concept of Life Cycle Management of engineering projects;

工程项目全寿命周期管理的整体构想

Imported hydraulic pump station, with high quality, improve the reliability and prolong the work time.

整机采用高质量的进口液压泵站，从而提高了机器的可靠性和使用寿命。

The individual reliability of machine elements becomes the Basis for estimating the overall life expectancy of a complete machine.

机械零件各自的可靠性已经有据可依,并成为估算整台机器使用寿命的根据。

actual life

有效寿命,实际寿命

The seamless fusing machine belt is longer in service life than that of any seamed teflon conveyor belt.

无缝粘合机带寿命比任何有接缝的铁氟龙输送带寿命都要长。

Burden of Disease Research-Application of the Index of Disability Adjusted of Life Year

疾病负担研究——失能调整寿命年指标的应用

DALE-a new measure for health assessment

评价健康水平的新指标——伤残调整期望寿命

Residual Service Life Prediction and Reliabaility Analysis of Imperfect Frame Structural System;

不完整框架结构系统可靠性分析及寿命预测

The study of Disability-Adjusted Life Expectancy of Urban and Rural Areas in Sichuan Province

四川省城乡人口伤残调整期望寿命粗略测算

Friction can be reduced and the life of the machine prolonged by lubrication.

润滑能减少摩擦，延长机器寿命。

He had a way of coaxing extra performance out of tired machinery.

他想方设法延长旧机器的使用寿命。