fraction time的例句大全

Self& Compensating Controller for Time Variable and Fraction Time Delay System

带时变和分数时滞系统的自校正控制器

Time-fractional order reaction-diffusion equation was considered, which obtained from the standard reaction-diffusion equation by replacing the first-order time derivative by a fractional derivation of order α( 0 < α < 1).

考虑时间分数阶反应-扩散方程，它是从标准的反应-扩散方程中用分数阶导数α（0

While the changing gear is selected by continued-fraction approach method and calculated by the aid of computer, the error in transmission ratio and tooth curve could be obviously reduced, the machining accuracy of gears can be enhanced and the time for selecting changing gear shortened.

采用连分数逼近的方法，借助于计算机辅助计算，大大降低了传动比误差及齿向误差，提高了齿轮加工精度，并可缩短挂轮选配时间。

The resistance, surface drying/ real drying time, thickness, hardness, corrosion resistance and BSE photos of the glass flake conductive coating containing different mass fraction of electroless silver graphite were studied.

研究了含不同质量分数化学镀银鳞片石墨的玻璃鳞片导电涂层的电阻、表干/实干时间、厚度、硬度、耐蚀性及其BSE照片。

Each IMA was measured, included its ratio of peak systolic velocity to end diastolic velocity ( S/ D), pulse index ( PI), resistive index ( RI), and the diastolic velocity time integral fraction ( DVTIF) calculated. The statistical analysis was conducted.

测量每条IMA的收缩期峰值与舒张末期流速之比（S／D）、搏动指数（PI）、阻力指数（RI），计算舒张期流速时间积分分数（DVTIF），并作了统计学处理。

The time loss in all departments has been reduced to a fraction.

各部门的时间损失都已经降到了极小。

The influences of PU mass fraction and the time of repose on the moisture vapor permeability of PU thin membranes were studied.

主要采用湿法成膜方式研制聚氨酯微孔膜，并对其透湿情况进行测试，研究了聚氨酯质量分数和静置时间长短对薄膜透湿量的影响。

A new time-domain-approach approximation to the ideal delay Function-A rational fraction approximation yielding minimum rise-to-delay time ratio with strictly zero overshoot

一个新的对于理想延时函数的时域法逼近&在0超量约束下上升时间/延迟时间比值最小的有理分式逼近函数

Pole Distribution of Fractional-Order Systems and Time Response

分数阶系统极点分布与时间响应

The major shortcoming of pressure swing adsorption technology was too difficult to get qualified ethylene through one time separation, the ethylene purity under general condition was 80% ( volume fraction), if high purity ethylene was produced with supplemental combination technology, the investment would be increased;

变压吸附的主要缺点是难以通过一次分离得到聚合级乙烯，一般条件下得到的乙烯纯度为80%（体积分数），如采用配套组合工艺生产高纯度乙烯，投资相应增大；

Study of time-resolved fluorescence spectra on tumor localizing fraction of HPD

HpD肿瘤定位组份的时间分辨荧光光谱研究

Further, it can reduce the actual development time to a fraction, extend the audience of potential application developers, and cut the amount of testing required due to effective reuse of readily available building blocks.

此外，由于有效利用了现成的构建块，它可以完全减少实际开发时间，扩展潜在的应用程序开发人员，削减所需的测试量。

The optimum coupling reaction conditions: mass fraction of SCA is 6.5% 7.5%; coupling temperature is 70 ℃; coupling time is 3 4 h.

最优偶联改性的工艺条件：SCA质量分数为6.5%～7.5%、偶联温度为70℃、偶联时间为3～4h。

The problem of robustly strict positive real analysis and synthesis is addressed for linear time-invariant systems subjected to a class of parameter uncertainty which can be expressed in a linear fraction form.

讨论一类线性不确定系统的鲁棒严格正实分析和控制问题，其中各不确定参数矩阵具有线性分式形式。

In this paper, the epoxy construction adhesive was toughed by the butyronitrile liquid rubber-40.The influence of the fraction of the butyronitrile rubber-40 in epoxy construction adhesive, the reaction temperature and time of the first ingredient on the shearing strength of cured epoxy resin system were investigated.

采用丁腈-40液体橡胶对环氧体系进行增韧，研究了丁腈-40液体橡胶含量、甲组分处理温度及时间对所制备环氧结构胶剪切强度的影响。

only a fraction of the time Kushiro, dragons by stealth plane to me.

才几分钏的时间，小龙乘隐形飞机就到了我身边。

And we can time the landing with the precision of a fraction of a second.

也可以把着陆时间精确到秒的几分之一。

Lung capacity, maximal breathing capacity in each minute, stroke volume, cardiac output, ejection fraction, heart rate, ejection time, mean normalized systolic ejection rate ( MNSER) and left velocity of circumferential fiber shortening ( LVCf).

肺活量、每分最大自主通气量、每博输出量、心输出量、射血分数、心率、射血时间、平均心缩射血速率、左心室周径缩短率。

ResultsThe petroleum ether fraction and ethyl acetate fraction from the aqueous and ethanol extracts of Hehuanhua can significantly shortened immobility time of mice in the forced swimming test.

结果合欢花醇提物与水提物的石油醚和醋酸乙酯萃取部位与对照品安拿芬尼类似，均能显著缩短小鼠游泳的不动时间。

He made great play about the fact that computers could do the job in a fraction of the time.

他过分夸大这一事实，即计算机瞬间就可做完这一工作。