查询词典 triangular numbers

The slide rule is a mechanical device that uses the very same physical quantity -- length -- to represent numbers, and to help perform arithmetical operations with two or more numbers at a time.

该计算尺是一个机械装置使用相同的物理量-长度-代表人数，并协助执行算术运算与两个或两个以上的号码的时间。

Bush, as increasing numbers of Democrats in Washington hope, and, sotto voce, increasing numbers of Republicans—including some of the president's top lieutenants—now fear?

不但支持此主张的民主党人数越来越多，共和党人也发出日益增多的嚅嚅声，包括布什麾下一些顶级助理——现在还怕什么呢？

The author mainly studies the probabilistic representation of a special combinatorial number. Meanwhile, some special values of both kinds of Stirling numbers are obtained. Some new recurrence formulas and identities related to both kinds of Stirling numbers are found.

作者主要研究了一种特殊组合数的概率表示及其应用，得到了Stirling数的一个性质，推导出了其他有关Stirling数的递推公式并且发现了新的递推公式，并利用这些递推公式得到了几个恒等式，从而丰富发展了已有的一些结果。

The second stage is a transformer which yield a frequency-domain spectral representation: Numbers of Selectively Synchronized Filters(NSSF:Numbers of Selectively Synchronized Filters).

第二部分是一个转换器，它产生一种频域表示：选择性同步滤波器数(Numbers of Se-lectively Synchronized Filters，NSSF)。

This paper discusses the strong laws of large numbers for random variable functions, and proves a strong law of large numbers for random variable functions by the analytical method.

文章主要讨论了任意随机变量序列泛函的强大数定律，并采用分析的方法证明了任意随机变量序列泛函的强大数定律，作为推论，得到了有关非齐次马尔可夫链函数的一个强大数定律。

Whereas people often proved indecipherable to him, numbers were far less tricky for Tammet, who also has synesthesia, a rare condition that causes him to ascribe colors, sizes and emotions to numbers.

然而，对于人群，通常他无法理解；而个别人对于同时患有联觉的 Tammet 来说远非不易处理之事（联觉是一种罕见的病症，使他将颜色、大小和情绪转化为数字）。

In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then added one to the last digit.

首先先依等比例的原则计算各县市应抽取出的样本数，其次依等距抽样的原则抽出电话号码。为避免未登录电话号码的用户无法被抽中，遂在抽出的电话号码尾数加 1，作为受访的样本户。

The frame adopted for this survey was the telephone listings for the Taiwan Area. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then replaced the last digit with a random number. Respondents were chosen from within the selected household according to a set intra-household sampling procedure. The target for this survey was 1200 successful interviews.

本研究以台湾地区住宅电话簿作为抽样的母体清册，为避免未在电话号码簿上登记的用户无法被抽中进行访问的情形，抽样时首先依系统抽样的原则抽出某一电话号码，再以随机乱数取代此号码的尾数，作为访问的样本户，访问时再由访员依户中抽样的原则，抽出应受访的对象进行访问。

The frame adopted for this survey was the telephone listings for Tainan City. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then added one to the last digit. Respondents were chosen from within the selected household according to a set intra-household sampling procedure.

电话访问以台南市的住宅用电话用户作为抽样之母体清册，首先以等距抽样的原则抽出电话号码，为避免未在电话号码簿上登记的用户无法被抽中的情形发生，遂在抽出的电话号码的尾数加1，作为受访的样本户，实际访问时，访员再按洪永泰所设计的户中抽样原则抽出受访对象。

The frame adopted for this survey was the telephone listings for Taipei County. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then added one to the last digit. Respondents were chosen from within the selected household according to a set intra-household sampling procedure.

电话访问以台北县的住宅用电话用户作为抽样之母体清册，首先以等距抽样的原则抽出电话号码，为避免未在电话号码簿上登记的用户无法被抽中的情形发生，遂在抽出的电话号码的尾数加1 ，作为受访的样本户，实际访问时，访员再按洪永泰所设计的户中抽样原则抽出受访对象。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。