均差

The nut shape of walnut among 160 walnut germplasm resources was mainly round and ovate, shell texture was mainly smooth and very smooth, Nut diaphragm was leather, Shell crest was degradation and underdevelopment, Shell suture line was low and flat, Kernel colour was light amber, Kernel sapor was fragrant and sweet, Ease of removal of kernel halves was easy.

将27个核桃居群坚果的9个性状进行巢式方差分析，结果表明居群间和居群内差异均达极显著(P＜0.01)，说明其居群间和居群内存在广泛的变异。

Correlation analysis showed that meteorological variables, such as containing water rate of sandland, photosynthetic available radiation, air temperature, saturated water vapour pressure difference, and physiological variables, such as leaf area index, leaf temperature, stomatal conductance, affected transpiration of S.

相关分析结果表明，环境因子，如沙地含水率、太阳有效辐射、大气温度和饱和水汽压差，以及植物因素，如叶面积指数、叶片温度和气孔导度等，均能显著影响沙柳的蒸腾作用。

Ln the memory of dynamic data system there are 500,000 measured data. This paper deals mainly with the change of cutting area in self-excitation qualitatively and quantitatively. The changes of position of cutting edge and cutting area are indicated with graphic method. The m...

文中重点叙述了利用上述DDS对自激振动时的切削面积变化规律进行定性与定量分析研究：利用计算机对切削刃位置和切削面积变化用图示法使之"可视化"：通过统计法建立起来的切削面积数学模型，可对动态切削面积进行实时解析计算，最后通过均方差分析，对4种算法进行比较，提供了实用而准确的计算方法与结果。

Results indicate that molecular chain can slide relatively and provide self-lubricating by increasing temperature.

研究表明：随着温度升高，分子链相对滑移增强，体现出良好的自润滑特性，材料的摩擦因数和磨损率均有所下降；排除摩擦热的干扰，方差分析表明载荷、速度及其交互作用对材料摩擦磨损行为影响不显著。

The results of seven 2DE methods for estimating right ventricular ejection fraction in 52 normal subjects were prese〓ted and of the seven methods, six were individually compared with the result of biplane Simpson's rule method (58±5%, mean±SD).

二、采用七种2DE方法估计右心室射血分数，并以其中Simpson法测值(58±5％，均数±标准差)作为参照标准，对其他六种方法进行评价。

Each channel can be configured as single-ended or differential.

每个通道均可配置为单端输入或差分输入方式。

What must not be forgotten is that the later effects from the smoldering pile were far, far worse.

" "什麼是不能忘记的是，后来的影响，从闷烧桩均远远差。

The tolerance property of PIF is analyzed detailedly, and spectral characteristic and angular property are tested by experiment.

详细分析了偏振干涉滤光片的容差特性，并着重测试输出光谱特性和角度特性，均得到与理论设计相吻合的实验结果。

Because of this poor judgment, they are prevented from correcting and detecting their errors in spelling, reading and speech.

因为如此，判断力差，他们均无法检测和纠正他们的错误，拼写，阅读和讲话。

These data were analyzed with analysis of variance and stepwise regression.

单因素方差分析结果表明，接触组的收缩压低于对照组(P 0 1)，而舒张压均高于对照组(P 0 5 )，多元逐步回归的结果显示接触苯的浓度是导致血压升高的主要影响因素之一。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐