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数估计

数估计

数估计

数估计

1

This plan uses index statistics as an estimate of the number of rows expected to be returned during each portion of the query execution .

此计划使用索引统计值作为查询执行的各个部分预期返回的行数估计值。

2

The option setting is considered when returning the estimate of the number of rows for a cursor on an OPEN request .

当应 OPEN 请求返回游标的行数估计值时应考虑此选项设置。

3

The query optimizer bases query-cost estimates on the number of rows to be retrieved from each table .

查询优化器根据从每个表检索的行数估计查询成本。

4

Objective Explore the method for the estimation of sample size in two stage cluster randomization tirals.

目的探讨两阶段整群随机化设计两组比较样本例数估计方法。

5

M2 money supply rose 16 . 6 percent in March from a year earlier , exceeding analysts' median estimate.

3月份M2 货币供应玫瑰指数比去年同期增加了 16.6%，这超过了分析家的中位数估计。

6

That was more than the 7 percent median estimate of 23 economists surveyed by Bloomberg News.

这超过了博彭新闻社 23 名经济学家调查的 7%的中间数估计。

7

10

Bankruptcy filings, at the highest level in three years, are also expected to keep growing in the second half of 2009 .

目前处于三年高位的破产申请宗数估计在今年下半年也将保持上升势头。

11

In 1990 the Indian vulture population was estimated at between 20m and 40m, divided between three species .

1990年，印度的兀鹫数估计在两千万到四千万之间，其中包括了三种兀鹫。

12

That compared with the 8 . 4 percent median estimate of 20 economists surveyed by Bloomberg News.

彭博咨讯调查 20 位经济学家得到的中位数估计值为 8 .

13

Some experts place the figure at well over 350, 000 .

一些专家们把被害人数估计在了超过 350,000 。

14

There are an estimated 388 000 annual drowning deaths worldwide.

世界各地每年溺水死亡数估计为 38.8万例。

15

Last year's national census count estimated the population at six hundred twenty -one thousand.

去年全国人口普查数估计在六十二万一人口。

17

Study of Transformer's PD Sources Number Estimation and Falsity PD Sources Elimination

变压器局放源数估计及虚假源剔除研究

18

Asymptotic Behavior for Nearest Neighbor Median Estimates in Nonparametric Regression

非参数回归中最近邻中位数估计的渐近性质

19

Source Number Estimation Using Cyclostationarity Property

利用信号的循环平稳特性进行空间源数估计

20

Global Attractors for a Class of Pattern Formation Equations

一类模式演化方程的全局吸引子及其维数估计

21

Fractal Dimension Estimates for Invariant Sets on Riemannian Manifolds

黎曼流形上不变集的分形维数估计

22

Estimating the Fractal Dimension of Hydrological Time Series by Wavelet Analysis

水文序列分形维数估计的小波方法

23

Estimation for Optimal Correlation Dimension of Nonlinear Time Series

非线性时间序列的最优相关维数估计

24

A Global Attractor of Extended Fisher-Kolmogorov System and Estimate to Fractal Dimention

系统的整体吸引子及其分形维数估计

25

Estimating attraction regions of robotic grasp with weighting-norm

利用加权范数估计机器人抓取系统的吸引域

27

Research on estimating effective order of radio channel in OFDM systems

无线 OFDM 系统中信道冲激响应有效阶数估计

28

Fractal Dimension Estimation Based on Mathematical Morphology

一种基于数学形态学的分形维数估计方法

29

A New Method for Estimating the Number of Blind Sources

一种新的盲信号源数估计方法研究

30

Fault location of single redundant gyroscopes based on estimated angular rate using quaternion

基于四元数估计角速率的陀螺故障定位

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