查询词典 F.

With a large sample, the result from an F test and from an LM test should be similar

在大样本中，F检验和LM检验得到的结果相似。

An sufficient condition under which the exact F test is uniformly most powerful unbiased test is discussed.

对于给出的精确的F检验给出检验存在条件以及是一致最优无偏检验的条件。

As a traditional method, the system based on Fourier analysis and frequency spectrum analyzer can not be used to test 1/f noise timely, fast and accurately.

传统基于傅立叶分析和频谱分析仪的微弱信号检测方法无法对1/f噪声进行实时、高速、精确的测量与分析。

F Pressure setting test for automatic components and devices.

f自动化元件及装置整定试验。

Mohs Hardness . Developed in 1822 by F Mohs, this test is based on the capability of one material to scratch another.

莫氏硬度：莫氏硬度是 F Mohs 于1822年提出的，这种方法是基于一种材料划伤另一种材料的能力。

For testing the second hypothesis, the method of correlation, partial correlation analysis, regression analysis and path analysis was used, then F test was used to compare among groups.

为论证第二个假设，本文所采用的统计方法有相关及偏相关分析、回归分析及路径分析，并在各变量分组后采用F检验方法对各组进行了比较。

In this paper, the use of education statistics t test, F test methods such as the Department of Mathematics of the University 03 (1) classes and 02 (1) students carried out a four-year analysis of academic performance, try to find employment in academic performance of students with the internal relations, and to evaluate results, make recommendations.

本文运用教育统计学的t检验，F检验等方法对我校数学系03级（1）班和02级（1）班的学生四年学业成绩进行分析，试图找出学生的学业成绩与就业的内在联系，并对结果作出评价、提出建议。

One approach, from mathematical point of view, is to translate the test into comparson of the constant a and proportion b of linear regression by using F test .

数学上该问题转化为对回归直线的常数 a和比例系数 b两组随机样本的 F检验。

The diameter of such an opening, often expressed as an f-number.

孔径这种开口的直径，常以f数表示

Next thing we need to do is to create vraycamera, this is very important, because without this type of camera we wouldn't get options like ISO, shutter speed, f-number.

下面我们要做的是建立一个物理相机，记住这是非常重要的，因为只有物理相机有iso，shutter speed，f-number这些选项。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。