The great difficulties are that it is rather hard to make such a sine wave inverter as that small as a normal square wave or corrected sine wave auto inverter.
车载逆变器输出正弦波的难点在于，无论是体积还是效率都很难和方波或修正正弦波逆变器媲美。
We're now scaling up to make cells that will be hundreds of square centimeters-the size of a normal cell.
我们现在正在增加它们的尺寸以使它们达到几百平方厘米——这是正常电池的尺寸大小。
One is that a normal distribution falls off according to the negative exponential of the square of the distance from the mean.
一个是正态分布下降是依据中间部分转角处到平面距离的负指数。
Normal air pressure is about 15 pounds per square inch.
正常的气压大约是每平方英寸15磅。
Two or three channels imprinted onto the plastic square contain either a normal cell growth medium or a chemical under study, such as growth factor.
印在塑料方块上的两、三条通道通常包含一个正常的细胞生长介质或者研究中的化学物质如生长因子。
Method of completing square is often used when transforming a quadratic form into a normal one, whose process is equivalent to making the relevant matrix contract diagonal.
二次型化标准形常采用配方法，而二次型化标准形等价于它的矩阵合同对角化，文中利用初等矩阵和初等变换之间的关系。
In this paper, a normal 16th order trimagic square is published for the first time.
本文首次给出了一个正规的16阶三次幻方。
Acoording to the least square principle the normal equations and its coefficient matrix are performed.
按最小二乘原理，建立了球面坐标系下的法方程组及其系数矩阵的具体形式。
The optimum test design is obtained to minimize variance of least square estimation of the mean life at a normal stress level.
这里的最优准则是指正常应力水平下产品对数平均寿命估计的方差的极小化。
In this paper two reasons-the deviation of the data from the origin and the size of the data-causing the ill-conditioned normal equations in the least square fitting of a polynomial are discussed.
讨论了最小二乘多项式拟合中引起正规方程组病态的两个重要原因：节点对原点的偏离程度和节点坐标的数量级。
If air circulation is normal, the TS-1 sensor will cover an area of 900 square feet.
如果空气循环正常，该温度传感器测试的范围可以覆盖900平方英尺的面积。
The least square method is compared with normal arithmetic to show its superiority.
通过将其与一般算法进行比较，体现了最小二乘法的优越性。
The Six Sigma Black Belt should be familiar with the commonly used probability, including: hypergeometric, binomial, Poisson, normal, exponential, chi-square, Student's t, and F.
六西格玛黑带应该熟悉常用的概率分布，包括超几何分布、二项式分布、泊松分布、下态分布、指数分布、卡方分布、学者t 分布和F 分布。
Then the horizontal square cyclone was brought forward and its advantage on the separator arrangement was proved after comparing with normal cyclone on a pulverized boiler revamping project.
然后提出了方形卧式分离器的概念，并通过对一台煤粉炉的改造项目模拟使用方形卧式分离器和高温旋风分离器进行比较，证明了方形卧式分离器在布置上的优势。
Then the normal Reynolds stresses in square duct flow are calculated using the new model and coefficient functions, the results are consistent with the experimental data.
最后用方截面管流中有关二次流的实验结果对模型进行鉴定。 结果表明，给出的模型在槽道流动和方截面管流中都获得了满意的结果。
In addition, due to that the container works under the normal pressure, the inner container need not bear the pressure, and thereby the container can be made into square.
另外，由于储罐是在常压下工作，所以其内胆也不需要承受压力，因而储罐可以制成矩形。
Describe and apply binomial, Poisson, normal, chi-square, Student's t, and F distributions.
描述并应用二项分布、泊松分布、正态分布、卡方分布、t分布、F分布。
Describe and apply binomial, Poisson, normal, chi-square, Student's t, and F distributions.
描述并应用二项分布、泊松分布、正态分布、卡方分布、t分布、F分布。
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