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The paper studies the asymptotic behavior of "interior point" on the second mean value theorem for integrals when the length of integral interval tends to be infinite,and the asymptotic estimation formulas under very weak conditions are given.

讨论当积分区间长度趋于无穷大时，积分第二中值定理的"中间点"的渐近性态，在较弱的条件下，获得积分第二中值定理的"中间点"当积分区间长度趋于无穷大时的渐近估计式。

By sampling from the traffic flow and averaging non-overlapping blocks of size m from the original series, the variance asymptotic characteristic of the averaged series is obtained, from which this method shows that the splitting, assembling and merging process of the convergence mechanism will not change the Hurst parmeter of the traffic if the queue length of assemble buffer has a finite second-order moment.

在分析光突发交换边缘结点汇聚机制的基础上，提出了一种基于方差时间图的分析方法，利用"时间离散"和"尺度聚集"的思想，通过构造不同聚集级别m的聚集序列，分析得出业务流时间聚集序列的方差渐近性，从理论上证明了在组装器队长具有有限二阶矩的条件下，汇聚机制的分解、组装和合并过程不会改变业务流的Hurst参数。

Here′s a continuous study about paper of Cai-ping Yang,Yan-nuan Jia and otherwise on the asymptotic behavior of the intermediate value in the value theorem for integrals as the length of integral interval tends to zero.

继续杨彩萍、贾云暖等人对积分中值定理的中值当区间长度趋于零时的渐近性研究，这里又得到系列新结果。

I had a feeling that she was keeping me at arm's length.

我有种感觉，她在与我保持距离。

He held the picture at arm 's length to show it to me.

他把照片举在一臂之远的地方给我看。

There's no need to be jealous. I'll keep him at arm's length.

没有 必要嫉妒，我会和他保持距离的。

I'm just asking you to try to keep it at arm's length.

我只是希望你能把握好分寸。

But it's wise to hold him at arm's length.

但是，你最好还得和他保持确定距离。

In other words, they like to keep each other at arm's length.

也就是说，他们喜欢让彼此保持一只手臂的距离。

I held the telephone at arm's length.

我把电话放在我伸手可及的地方。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。