查询词典 interval

Let be defined on the open interval for some. If is differentiable at, and for any in

设函数在点的某邻域内有定义，并且在处可导，如果对任意的，有，那么。

Because the differential algorithm of facula intensity is applied, the noise and the drift of light source can be reduced remarkably. Using the linearity of differential confocal characteristic curve, the high axial resolution is achieved at a larger sampling interval.

通过使用光斑光强差动算法，可以有效抑制光源的噪声和漂移对测量结果的影响；利用差动共焦特性曲线中的线性关系，实现在较大采样间距下获得较高的轴向分辨率。

The boundary value problem for first-order differential equations with a parameter refers to the finite solution condition of equation which includes unknown quantity and its first-order derivative that not only relies on interval value but also relies on the parameter of the equation,which is always settled by fixed point theory or successive approximation method.

含一个参数的一阶微分方程边值问题是指：含有未知量及它的一阶导数的方程的定解条件不仅依赖于在区间端点的取值，而且依赖于方程中的参数。通常它用不动点定理或逐步逼近法来解决。

It also calculates theoretically the minimal time interval between two trains in quasi-moving-block signaling system and recommends approximate values for the length of coded digit track circuit.

在此基础上，针对当前应用广泛的基于数字轨道电路的准移动闭塞ATC系统进行了重点分析，详细讨论了数字轨道电路的原理、准移动闭塞系统的列控方式等内容，并对准移动闭塞下的最小列车追踪间隔时间进行了理论计算和分析，给出了数字轨道电路长度的推荐值。

When digit signal orbital circuit is adopted in the equipment, which is used to transmit train-to-wayside information and location train position, the length of digital signal orbital circuit should be the minimal measure unit of distance interval between trains.

采用数字轨道电路作为车－地信息传输设备及列车定位设备时，列车之间的安全间隔距离必须以数字轨道电路的长度作为最小计量单位。

A map with contours spaced at interval of half wavelength of the viewing light is discernable.

以可见光的波长的一半为间隔的轮廓线是可以辨认的。

One of them re- quired a short interval of dialysis, and both patients recovered after discontinuation of medications.

其中一人重新quired了透析间隔时间短，术后都恢复的药物停药。

The first step of IGA was to discretize time interval and control region to make the continuous dynamic optimization problem a discrete problem.

针对化工动态优化的数值求解问题，提出将迭代思想与遗传操作相结合，构建迭代遗传算法。

It is a new academic attempt to introduce the discrete time interval to portray the characteristics of extreme volatility.

引入离散的时间间隔来刻画极端波动特征在学术上是个新的尝试。

And also, a modified DEA model is studied and is extended to the interval case, in order to get a more Discriminative efficiency score.

论文还研究了一种改进的DEA模型，并将其进行区间拓广，所求得的效率值更具区别性。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。