方波

In this paper, the distribution of clinopyroxene, orthopyroxene, olivine, plagioclase and ilmenite on lunar surface was mapped based on Hapke radioactive transfer model and linear unmixing of spectra using Clementine UV/VIS/NIR data. The result is compared with the results obtained by previous researchers and Apollo sample analysis, and the problems existing in mineral abundance mapping are analyzed preliminarily.

基于Hapke模型与光谱线性分解的矿物提取方法，利用Clementine UV/VIS/NIR数据提取月表单斜辉石、斜方辉石、橄榄石、斜长石及钛铁矿等5类主要矿物的体积百分含量分布，并基于阿波罗月岩矿物分析数据对提取结果进行评价，对方法和提取结果中存在的问题进行分析，提出了进一步改进的措施。

The Polish people can attribute their rapid rise out of obscurity to the Drang nach Osten of the Holy Roman Empire, which saw the Kaiser searching for allies to help crush the Polabian Slavs.

全赖当日神圣罗马帝国大举东进，全力寻求当地盟友以消灭波拉比安族斯拉夫人，导致波兰今日方得以有此成就。

MethodsFrom the biceps brachii, tibialis anterior and vastus medialis muscles,the duration, amplitude, area and the ratio of area to amplitude of the MUPs were obtained by use of the spike-wave triggered average technique in 10 patients with myopathic disease, 13 patients with neurogenic disease and 22 healthy adults.

选取 10例肌肉病变患者、13例神经病变患者和 2 2例正常人，采用棘波触发平均技术，获取肱二头肌、胫前肌和股内侧肌MUP的时限、波幅、面积和面积/波幅比 4项参数，通过SPSS10 。0软件进行方差分析和判别分析。

These results show that: 1.when two or more states superpose each other the variations of their relative phases can exert a tremendous influence on the results of superposition;2.the superposition of two same stases with distinct phases can produce a new state which is totally different from the original states.

由于这个相因子的模方等于1，所以它对粒子的几率分布是不会有影响的。或者说，ψ和ψeiα所描述的是同一个量子态。显然，在空间的任何一点|ψ|2和|ψeiα|2的值也都是相同的。并且，如果ψ是归一化的波函数，则ψeiα也是归一化的。

Unlike the uniform linear array,the unform circular array is able to provide 360°azimuthal coverage,within the mode space,it has the covariance matrix of the Toeplitz-like struture while all sources are uncorrelated,with which the noise variance can be made out directly,note that will eliminate an eigendecomposition when the ESPRIT is applied,consequently reduce the computational load.

对于均匀圆形阵列，在信源都是非相干信源的情形下，由于模式变换后的协方差矩阵具有类Toeplitz的特征，因此，我们可以根据这种特殊的性质，直接求得噪声分量，因此若使用ESPRIT算法进行波达方向估计，就可以避免第一次特征分解，较大程度上减少了计算量。

FONTOVA: He says,"The Negro is lazy and indolent and spends all of his money on frivolities and booze, whereas the European is intelligent and forward-looking."

洪波托。方透瓦：格瓦拉曾说：&黑人都是懒人喜欢闲散。他们挣了钱就都花在玩儿女人与酗酒上了。欧洲白人可都是聪明的和有眼光的。&

Mr Pociatek pooh-poohed suggestions that he had discussed the issue with his hosts.

有人暗示波什阿泰克先生与招待方主家讨论过此事，他对此不屑一顾。

Which takes the local block variance as the importance measure of the block, and scalar quantizes the important block while vector quantizes the less important block, implelements the Hi-Fi compression of images.

以小波变换高频子图的局部区域方差作为纹理复杂度和区域重要性度量，对重要区域进行标量量化，对不重要区域进行矢量量化，实现了图象的高保真压缩。

To improve the quality of the image,the defocusing error was used to balance the piston error,spherical aberration and astigmatism...

运用离焦误差对p iston误差、球差和像散进行像差平衡，其效果显著，特别是球差引起的波面方差下降90%。

Firstly, every wavelet base is employed to fuse the multi-source image based on local energy rule, and then a set of the primary fusion images are obtained. Next, these primary fusion images are fused to obtain final fusion image within spatial domain based on local varianc's weighted average rule.

该方法首先用每个小波基对源图像进行基于局部能量的融合，得到多幅初级融合图像，然后对初级融合图像在空间域内再进行基于局部方差加权平均融合，得到最终融合图像。

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。