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f是什么意思
发音：&&名词复数:f's&&&
中文翻译英英解释百科解释短语和例子短语和例子1.【化学】 fluorine.2.【生物学】 (generation of) 【植物；植物学】子代 〔F1 杂种子1代； F2 杂种子2代〕； 【动物；动物学】世代 〔cf. f ＝ force〕。F,F/f, f/,f., f: etc. 见 f-number 条。
例句与用法1.Eq.(4) is solved for f and substituted in eq(5) .（4）式求得F并代入（5）式。2.A typical lens has a focal length(f)of 625 mm .常见镜头的焦距（f）为625毫米。3.Each f distribution has a pair of degrees of freedom .每个F分布，都有一对自由度。4.a ring homomorphism f: a→b is finite. 环同态f：AB叫做有限型的。5.The consonants " t " , " f " and " s " are voiceless .辅音“t”、“f”和“s”是不发音的。6.By unique factorization, the ideal(f)is prime .由唯一因子分解定理推出理想（f）是一个素理想。7.In a nonautonomous system, f is explicitly a function of t .在非自主的系统中，f是t的显函数。8.The number a is called a double root of the polynomial function f .数a称为多项式函数f的二重根。9.In other words, f respects addition, multiplication and identity element .换言之，F保持加，乘法和单位元。10.Under these circumstances, f is called a dissipation function for the set c .这时，称F为系统C的耗散函数。&&更多例句：&&1&&&&&&&&
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fwhm是什么意思
中文翻译半高宽半极大值处全宽度,0.5电平下最大带宽半宽度
例句与用法1.Fwhm full width at half maximum电平全带宽半最大值处全带宽2.The software will display the snr , fwhm and rms values found软件将显示它们的信噪比，点扩展函数和均方差值。 3.Fwhm : full width half maximum脉冲的半高宽度4.Fwhm full width half maximum谱线最大宽度5.Fwhm and lifetime of this kind of quantum dots was little affected by temperature这种量子点的半高宽和发光寿命受温度的影响较小。 6.And detections with a fwhm lower than the value specified here will be rejected如果一个目标的半最大值宽度小于此值，自动检测将不做检测。 7.Generally , an aperture radius of two to three times the fwhm of the psf is a good value一般的，孔半径设置为点扩展函数的半宽值的两到三倍比较好。 8.The fwhm of pl decreased with increasing temperature at first , then it increased with increasing temperature当znse生长时间缩短时，其77k的pl谱峰蓝移增大。 9.The mean crystallite size and microstrain of u3o8 in different temperature were also discussed in the paper文中利用fwhm的变化对材料中的微晶尺寸和点阵畸变进行了一定的分析。 10.The fwhm of pl at 650c is the narrowest . the variation of pl with excited intensity and temperatures were discussed respectively当生长温度到达680时，光致发光谱变成由两个峰组成。 &&更多例句：&&1&&&&&&&&
相邻词汇热门词汇G. F. R.的中文意思
沪江词库精选G. F. R.是什么意思、中英文句子翻译、英语短语。
G. F. R.英语翻译成中文： 【医】 肾小球滤过率
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a b s d f o o d r t g o o d m e a t k l z y
Ⅲ. How many words can you find? Please choose out. 你能从下面的字母中发现多少单词？请选出来。
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f-test是什么意思
中文翻译百科解释f检验:&&&&F,F/f, f/,f., f: etc. 见 f-nu ...:&&&&n. 【动物；动物学】(软体类的)介壳，甲壳；【植物；植 ...
例句与用法1.Our simulation results show that for high positive errors correlation cases , these new tests have lower type - 1 error and large power than modified f - test模拟结果表明，当误差正相关程度较高时，两种新检验在具有较小的第一类错误概率的同时，具有较大的功效。 2.In this paper two new test statistics by using matching the first three moments approach are proposed to approximate fgls ( ) by x2 and f variables . a comparison with modified f - test by wu et al ( 1988 ) is completed本文用“前三阶中心矩相等”法，提出了两种新检验，分别用卡方统计量和f统计量去逼近( f _ ( gls ) ( ) ) ，并与wu ， holt和holmes ( 1988 )提出的修正f检验进行了比较。 3.By using quantitative ( f - test , correlation analysis and questionnaire ) and qualitative ( interview ) research methods , we observed the teaching of immersion musical appreciation and it ' s results concerning children , teachers and parents . the followings are the results we obtained : in respect to children : the immersion teaching method : l . to made imagine and abandon . 2 . deepened their impression of music 3论文运用定量(音乐能力测验的方差分析、相关分析和问卷调查)和定性(访谈、课堂观察)的研究方法，对幼儿音乐浸润式欣赏教学进行分析、研究，发现在短短地3个月时间里，教学取得了令人惊喜的效果。 4.The pca results indicated that the characteristics of length , breadth , the angle of leaf basal in lamina and the characteristics of calyx - tube , corolla dimension and inflorescence pedicel in the flower were the main reasons leading to the morphological variations , and the f - test of single factor variance analysis verified the conclusion主成分分析显示，叶部特征的长度、宽度、叶基夹角等，以及花部特征的花兽筒、花冠幅、花序总梗等是造成不同居群野生早樱表型差异的主要因素，单因素方差分析也印证了这一结论。 5.However , two - stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error . for testing linear hypothesis about regression coefficients , banerjee and magnus ( 1997 ) studied the sensitivity of f - test sta , tistic ( fgls ( ) ) based on generalized least square estimate caused by variance parameter in general case and proposed sensitivity statistic and its distribution关于回归系数的线性假设检验问题， banerjee和magnus ( 1997 )在一般情况下从理论上研究了方差参数对基于广义最小二乘估计的f -检验统计量( f _ ( gls ) ( ) )的种种影响，提出了敏感性的概念，并给出敏感统计量的形式及其分布。
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f-stops是什么意思
中文翻译百科解释光圈系数:&&&&F,F/f, f/,f., f: etc. 见 f-nu ...:&&&&vi. (stopped , 〔诗〕 st ...
例句与用法1.Operator - selectable adjustment up to 1 f - stop per image frame每幅图像可选择调整至1 f - stop 2.Meter the scene , select an f - stop , set the autoflash aperture to the same f - stop , and shoot在使用没有自动输出控制的闪光灯时，将闪光灯的感光度设为胶卷的二倍，对主体测光，机身选光圈整档，闪光灯设同样光圈。
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