time difference的例句大全

An instrument for measuring the time difference between two events.

测量两个事件时间间隔的仪器。

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The broadband waveform data and used in this paper to do waveform modelling by the overlapped subevents and then to analyze the rupture feature of unilateral rupture source in terms of station quasi-source time function ( qSTF) and subevent quasi-time difference ( qTD).

利用GDSN的宽频带波形资料，通过由子事件迭加进行的波形模拟，根据台站视震源时间函数和子事件视时间差，对单侧破裂震源的破裂特征进行了分析。

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Finite-difference Time-domain ( FDTD) method is a kind of important method in numerical calculation. It transforms the Maxwell differential equation with time variant to difference equation so as to find the solution of the electromagnetic field problem.

时域有限差分法（Finite-Difference Time-Domain Method）是一种重要的数值方法，它把带时间变量的Maxwell微分方程转化为差分方程，然后求解电磁场各分量。

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Results The sensitivity and specificity had no significant difference between the improved and original real-time RT-PCR method to detect influenza virus A3.Furthermore the time required to complete the real-time RT-PCR method was shortened about one hour by the improved method.

结果用经典方法与缩短某些时间参数的改良方法检测甲3型流感病毒，结果其特异性与灵敏度差异无显著的统计学意义，并可将检测时间缩短1h左右。

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The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.

所得的非饱和土壤水运动方程对时间的差分方程，在空间上不仅可用有限元法而且可用有限差分法处理。

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Some numerical results are obtained using finite difference time discretization method.

应用时间有限差分离散化方法，对问题进行了数值求解。

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The second part was introduced emphatically to some knowledge about economics and time series analysis which used in, including difference equations and several classic theorem, etc. It also introduced the related conclusions of the basic random process ( Brownian movement).

第二部分着重介绍了要用到的一些经济学和时间序列分析知识，包括差分方程相关概念、几个经典定理等。还介绍了最基本的随机过程Brownian运动的相关结论。

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And it presents an estimation method for frequency difference by means of data synchronization selecting the time window of AFC frequency difference estimation hi order to solve the problem that data symbol transition induces an enormous error of frequency difference estimation.

针对AFC频差估计中数据突变引起频差估计较大误差的问题，提出了利用数据符号同步对AFC频差估计时间窗口选择的AFC频差估计方法。

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Either the difference Of intergroup or between-group, the interaction between time pressure and time interval is not significant.

时间压力与时间间隔之间交互作用不显著，组内差异与组间差异均不显著。

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High Precision Measurement Technical of Ultrasonic Flowmeter in time difference mode

时差法超声波流量计的高精度测量技术

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It is possible to determine reservoir performance variation using the time difference attribute of large offset, but how to carry out the idea still needs further study.

利用大炮检距时移时差属性有可能确定储层动态变化，但如何来实现这一过程还有待经进一步研究。

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The limitation of real computer systems is considered, so strategies with some difference are adopted for decision tables of different sizes and the time complexity of the attribute reduction algorithm is also different.

本文所给的这个算法考虑了具体实现的限制，因而对不同大小的决策表采取有所不同的策略，算法的时间复杂度是不同的。

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The time of statistical experiments c has a kind of influence on prediction results, and the prediction accuracy approached stable when c ≥ 200. ( 3) The prediction accuracy of various Markov chain prediction methods had a suitability to difference distributions.

统计试验的次数c对预测结果有一定的影响，当c≥200时，预测精度趋向稳定。（3）各种马尔可夫链预测方法的预测精度具有对不同分布的适应性。

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According to records of 338 earthquakes in recent years by SK seismograph of Tianshui seismic station, a formula of relationship between travel time difference of maximum surface wave from primary wave and epicentral distance is given by least squares method.

根据天水地震台SK地震仪近年来记录的338个震例的资料，用最小二乘法求出最大振幅面波与初至波到时差同震中距的关系式，并与JB表进行了对比。

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In order to solve the problem of low accuracy in measuring time difference in SAW based wireless sensor system, a method of digital quadrature demodulation is presented.

提出了采用数字式正交检波技术得到I、Q通道的方法，以此来测量相位，获取传感信息，很好地解决了在无线声表面波传感器测量系统中测量时间差精度低的问题。

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The result shows that the PSNR difference between the algorithm and LBG is 0.1 dB, but the running time of it is at most one second of LBG.

实验结果表明，该算法与著名的LBG算法的PSNR相差小于0.ldB但它的运行时间至少比LBG的运行时间少一半。

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Porosity parameters, ratio of acoustic wave time difference K4, ratio of density K5, neutron relative porosity K6;

孔隙测井特征参数（包括声波时差比K4、密度比K5、中子相对孔隙度K6）；

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Moxibustion therapy can improve nutritional status.4.The difference of first off the bed time between the two groups is no significant ( P0.05), no statistical significance.

首次下床时间A、B两组的差异无显著性（P0.05），无统计学意义。

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Results There were not significant difference between group A and group B on the grade of VSA, the first time of movement, the incidence of nausea, vomitus and skin itching ( P> 0.05);

结果两组在VAS评分、首次下床时间、恶心、呕吐、皮肤瘙痒发生率差别无显著性（P>0.05）。

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Comparative study on the time difference and the effects of exercise of college female students participation in extracurricular sports activities

河北农业大学女大学生参加课外体育活动的时间差异与锻炼效果的比较研究

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