平方

In this paper, the conversion of unit between photometry and radiometry is achieved, and the measurement of exposure in μJ/cm^2 by luminometer is realized.

文章给出了两种单位之间的换算关系，实现了用照度计测量以μJ/平方公分为计量单位的曝光量。

In this paper we introduce a search algorithm of computer, and the arithmetic can get a magic square of squares with high rank in a short time.

本文提供了一种计算机搜索算法，该算法能够在比较短的时间内获得阶数较大的平方数幻方。

And the results show that perfect heat-treatment time is two hours. The specific saturation magnetic moment of 26.2A m^2kg^(-1) is obtained.

结果表明：合理的热处理时间为2h，制得的铁磁性微晶玻璃的比饱和磁矩为26.2A平方公尺kg^(-1)。

Because the magneto-optical recording density isin inverse proportion to the square of wavelength,and the GaN-based diode ina blue light range is at the stage of practical usage,it is very important to studythe magneto-optical materials in a blue light range.

由于磁光记录密度反比于光波长的平方，而且目前以GaN为基的蓝光二极管已经实用化，从而研究蓝光波段的磁光材料十分重要，这点是本论文的主要出发点。

Formulas in the MAX(1) and MARG(1), it is shown that the literal renaming problems are solvable in linear time, and the variable renaming problems are solvable in quadratic time.

证明了对于MAX(1)和MARG(1)中的公式，文字改名问题在线性时间内可解，变元改名问题在平方次时间内可解。

In this article, the wave of cutting speed is described as the deviation of mean square and the maximum deviation of speed during the working stroke.

本文用工作行程中速度的平均平方偏差及最大速度差来描述刀具速度波动，并以此为评价函数，采用多目标优化设计方法，确定牛头刨的主传动拉杆尺寸。

Based on the Maximum Likelihood receiver principle,Coherent-Noncoherent integration is analyzed. It has serious square loss Characterization, especially in real data. Differentially coherent integration algorithm which is frequently used in spread spectrum communication is analyzed in detail for high sensitivity signal detection.

基于最大似然接收机原理，详细分析了相干-非相干(Coherent-Noncoherent)积分算法，表征出该算法在高灵敏度条件下由于非相干次数增加带来的平方衰减，实测数据的分析证实了这个问题更为严重。

Then, the first and second fundamental forms, Gaussian curvature and mean curvature of the surfaces are directly calculated according to the principles of differential geometry.

首先，根据微分几何中的基本知识，得到了该种度量形式下的平移曲面的第一、第二基本形式以及高斯曲率和平均曲率；然后，主要利用高斯曲率和平均曲率之间的线性关系和平方关系，得到了这类平移曲面的分类定理。

The modified method can satisfy the limit of mean square deviation within 10W/m^2, and the average relative error is about 25%.

计算结果与西沙实测资料、长年代的GSSTF2资料和NCEP/NCAR再分析资料进行比较验证，证明改进后的方法精度较高，基本可以保证湍流热通量的平均标准偏差在10W/平方公尺左右，与多年的月平均做比较，相对偏差为25%左右；同时，不仅首次将计算热通量的空间尺度精确到0.1°×0.1°，而且基本模拟出了南海季风暴发期间热通量变化的主要特点以及中国近海热通量随季节、纬度和海岸地形的变化特征。

According to the variations of the mean square deviation of the structures in MD trajectories relative to the initial structures, the false structures can be excluded.(2) In order to achieve the binding mode, the docking simulations were performed between glutathione and different isomers of 99mTc-HMPAO with the package of AutoDock.

以两种蛋白质复合物为例，对其候选结构进行MD模拟，根据MD轨迹中构象相对于初始北京工业大学工学硕士学位论文摘要一构象的平方平均偏差随时间的变化来辅助打分函数排除错误构象，得到了较好的结果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。